WorksheetsSTAAR Category 2
Total questions: 192
Worksheet time: 4hrs 37mins
A class is learning about states of matter. The teacher shows the students how to set up the investigation shown in the diagram. What kinds of energy are needed in this investigation to change the state of matter of the candle?(5.6A)
Light, mechanical, and thermal
Electrical and thermal
Mechanical, light, and electrical
Thermal and mechanical
Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture shows a cartoon like the ones Goldberg drew. Which form of energy is used to turn on the switch? (5.6A)
Light energy
Thermal energy
Electrical energy
Mechanical energy
Many people ride a bicycle for fun and exercise. Some people ride a bicycle to work because it saves money and benefits the environment by reducing the use of fossil fuels. Which of these is not an example of the bicycle using mechanical energy? (5.6A)
The pedals, gears, and chain help turn the wheels.
The wheels turn when the bicycle moves.
The front wheel guides the bicycle as it moves.
The reflector allows the bicycle to be seen at night.
Many types of fans are used in homes. One type of electric fan is shown below. In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan? (5.6A)
Heat
Mass
Light
Water vapor
Which object requires only mechanical energy to perform its main function? (5.6A)
Which object requires only mechanical energy to perform its main function? (5.6A)
Which of these devices is the only one NOT designed to produce both sound and light energy? (5.6A)
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
Which of these changes to the electric circuit shown above will cause the lightbulb to light up.
Straightening the wire so that the current can flow more easily
Adding a switch and more wire so that the current can flow more easily
Turning one battery so that its positive end connects to the other battery's negative end
Making the length of wire the same on both sides of the lightbulb
A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered in an insulator. When the lights are on, electricity travels in....
a complete circuit
a sound wave
a light ray
an incomplete path
A group of students built the circuit shown above. The lightbulb does not glow. Which statement explains this observation?
The battery is not charged
The lightbulb is not part of a complete circuit
The circuit does not have a switch
The bell uses most of the energy from the battery
The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut a the point shown by the arrow?
0
1
2
3
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut a the point shown by the arrow?
0
1
2
3
Which of these changes to the electric circuit shown above will cause the lightbulb to light up.
Straightening the wire so that the current can flow more easily
Adding a switch and more wire so that the current can flow more easily
Turning one battery so that its positive end connects to the other battery's negative end
Making the length of wire the same on both sides of the lightbulb
A string of lights with small bulbs is shown below. The bulbs are connected by wire that is covered in an insulator. When the lights are on, electricity travels in....
a complete circuit
a sound wave
a light ray
an incomplete path
The diagram shows the metal posts that are usually found on a battery. The battery can be connected to a bell and a switch to produce sound. Which statement best explains why there are two metal posts on the battery?
The battery needs only one metal post to connect to the bell, but the other post is present in case the first post fails to post.
The battery needs to form a complete circuit that starts with one metal post and ends with the other metal post.
One metal post makes a complete circuit with the switch, and the other metal post makes a complete circuit with the bell.
One metal post makes the bell start to ring, and the other metal post makes the bell ring louder
Most cars have lights, power locks, radios and other equipment that uses electricity. Electric circuits power this equipment. Each circuit has a fuse that completes it. The picture shows one type of fuse a car may have. Which of these describe one thing that could happen if the wire in a car fuse burns out?
The car's light will burn brighter
The car's radio will not work
The car's turn signal will blink to slowly
The car's power windows will open faster
A group of students built the circuit shown above. The lightbulb does not glow. Which statement explains this observation?
The battery is not charged
The lightbulb is not part of a complete circuit
The circuit does not have a switch
The bell uses most of the energy from the battery
Many types of fans are used in homes. One type of electric fan is shown above. In addition to mechanical energy, which of these is produced as electric current passes through the circuit of this fan?
Heat
Mass
Light
Water Vapor
A simplified diagram of a system using solar energy is shown. To recharge the battery for later use without lighting the bulb, which of the following switches should be closed?
switch S only
switches R and S only
switches R and T only
switches R, S, and T
All the lightbulbs in this circuit are lit. Which change would cause all the bulbs to go out?
Removing wire 1
Removing wires 2 and 4
Removing wires 2 and 5
Removing wires 3 and 4
Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?
Only the white bulb will operate
None of the bulbs will operate
Only the white and yellow bulbs will operate
Only the red and blue bulbs will operate
The circuit has 3 lightbulbs and a bell. Which procedure will result in only the blue lightbulbs operating?
Close switches 1 and 2 and leave switch 3 open
Close switch 3 and leave switches 1 and 2 open
Close switches 2 and 3 and leave switch 1 open
Close switch 2 and leave switches 1 and 3 open
The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wire as shown, which of the bells will ring?
Bell 1 only
Bells 1 and 4 only
Bells 3 and 4 only
Bells 1, 2, 3, and 4
In some circuits that are used for decorating, one burned-out lightbulb will prevent all the other lightbulbs from lighting. In other circuits, one burned-out lightbulb will have no effect on the other lightbulbs. In which of these circuits will the other lightbulbs still light even if one bulb is burned out?
The diagram below shows a bulb and a wire attached to a battery. Why would this bulb be lit?
The wire is wrapped to the bottom of the bulb that is a type of conductor.
The wire is wrapped to the battery and that is why the bulb is glowing.
The wire is wrapped to the glass and the glass is an insulator causing the light to grow
The wire is wrapped to the bottom of the bulb with a metal case, a conductor which is touching the battery causing the light bulb to glow.
A group of students are building a circuit. The investigation is shown below. Which of the following statements correctly explains why the circuit is open?
The bulb needs to be replaced in order to make it a closed circuit
Switching one of the batteries so that the positive end connects to the other battery.
The wires need to be attached to the battery not the battery holder
Adding new batteries so that the electric current can flow through the wires.
Observe the circuit below. If the students connect a wire between bell 2 and bell 4, which of the bells will ring?
Bells 1 and 3
Bells 1 and 4
Bells 1, 2, and 4
Bells 1, 3, and 4
A group of students constructed the circuit with colored light bulbs. If switch 1 was closed which bulbs will glow
The red and blue bulb will glow and the white will not glow
The blue and white bulb will glow and the red will not glow
All the bulbs will glow
The red and white bulb will glow and the blue bulb will not glow
Students constructed the circuit above. What would the students have to do in order to make the bell ring?
Close swtich 1 and 3, leave switch 2 open
Close 2 and 3 and leave switch 1 open
Replace switch 1 with a metal spoon and leave switch 2 and 3 open
Close switch 3 and leave switch 1 and 2 open
If the blue bulbs were replaced with closed switches, and switch 3 was replaced with a rubber band which appliances will function?
All the appliances will function
The green bulb will be the only appliance to function
The bell will be the only appliance to function
None of the appliances will function
The student place different objects in the gap and turn on the switch to see if the light bulb lights up. Which object will best conduct electricity?
A glass bead because it allows electricity to flow through
A plastic button because it allows electricity to flow through
A copper coin because it allows electricity to flow through
A wooden toothpick because it allows electricity to flow through
A group of students are conducting an investigation on circuits. The circuit below illustrates two light bulbs, a power source, and copper wires. Which would happen to the circuit if the students added an additional power source?
The light bulbs will shine brighter
The light bulbs will dim
The copper wires will not allow electricity to flow to the light bulbs
The additional power source will only light up one light bulb.
The image shows a closed circuit. When the student closes the switch, what form of energy will allow the light to glow?
Electrical Energy
Solar Energy
Mechanical Energy
Sound Energy
Observe the image shown below. How is the energy from the solar panel allowing the traffic light to function?
Light energy is absorbed by the solar panel. It is converted to electrical energy and is allowing the light to function
Thermal energy is absorbed by the solar panel and converted to light energy
Light energy is absorbed by the solar panel and converted to mechanical energy.
Thermal energy is absorbed by the solar panel and converted to mechanical energy
Which statement best describes how playing a violin converts one form of energy to another.
Mechanical energy is converted into vibrations from the strings
Mechanical energy is converted into thermal energy
Electrical energy is converted into mechanical energy
Electrical energy is converted into thermal energy
A student plugged in his headphones into his iPhone. The headphones need to be recharged after six hours. Which form of energy allows the headphones to produce music?
Thermal energy charges the headphones and converts to sound energy
Electrical energy charges the headphones and converts to mechanical energy
Mechanical energy charges the headphones and converts to sound energy
Sound energy is converted after the headphones were charged by electrical energy.
The pictures shows a child playing with a pinwheel. What form of energy is created by the rotation of the pinwheel?
Sound energy is made as the pinwheel moves
Mechanical energy is created when the pinwheel moves
Electrical energy is created when the pinwheel moves
Light energy is created when the pinwheel moves.
A student placed a beaker on top of a hotplate. The arrow placed on the beaker demonstrates the movement of the liquid caused by the energy produced by the beaker. How does the energy produced by the beaker affect the movement of the substance.
The decreased energy produced from the hotplate is causing the substance to move rapidly
The increased energy produced from the beaker is causing the substance to move less rapidly.
The increased energy produced from the hotplate is causing the substance to move rapidly
The increased energy produced from the hotplate is circulating throughout the beaker causing the substance to heat up throughout
A student rubs a metal coin against a rock and noticed the coin was warmer. Which best explains how the energy was transferred.
Mechanical energy to Thermal energy
Light energy to Thermal energy
Thermal energy to Mechanical energy
Electrical energy to Thermal energy
This is an wind up toy. The wind up toy has a metal clip on its back that can be wound up. As the clip unwinds, it moves the legs and arms, causing the toy to move forward. How does this demonstrate transfer of energy?
The winding of the clip is mechanical energy and as it is moving the toy, it causes additional mechanical energy.
The winding of the clip is mechanical energy and the movement of the toy caues thermal energy
The movement of the root is mechanical energy and the winding of the toy uses electrical energy
As the clip moves it causes mechanical energy and the legs and arms move because of sound energy from the clip
The picture shows a boat floating on water during a sunrise. Why does it appear as if there are clouds on the water?
The water is bouncing light rays reflecting clouds from the sky onto the water
The water is bending light rays reflecting clouds from the sky onto the water.
The water is bending light rays refracting clouds from the sky onto the water.
The water is absorbing the light rays reflecting clouds from the sky onto the water.
The telescope shown below has two lenses that allow us to observe small objects appear bigger in space. Which statement correctly explains why we can observe objects bigger using a telescope?
The lens inside the telescope reflects light causing light rays to bend
Light bends when it is refracted from the lens making objects appear bigger.
The lenses inside the telescope refract light causing light to bounce
Light is absorbed when it is refracted by the lens.
Vincent wears glasses to read. What property of the lens allows him to see through the glasses?
The lenses are translucent and allow all light to pass through
The lenses are opaque and allow all light to pass through
The lenses absorb the light and allow the light to pass through
The lenses are transparent and allow all light to pass through
A teacher walks outside on a bright sunny day and opens up an umbrella. Ashley asks her teacher why she is using an umbrella on a day when it is not raining. Which statement explains why she is using and umbrella on a sunny day?
The umbrella is opaque and does not allow light to pass through
The umbrella reflects light from the sun bouncing light rays
The umbrella refracts light and bends light rays
The umbrella is transparent and does not allow light to pass through.
A student was asked to illustrate the path light travels when passing through a binocular lens. What process does this illustration represent?
The illustration shows light bending caused by refraction
The illustration shows light bouncing caused by refraction
The illustration shows light bending caused by reflection
The illustration shows light bouncing caused by reflection.
Astronauts use helmets when traveling to space. Below are two images of astronaut helmets. One of the pictures shows a helmet with a visor and another without a visor. Why would an astronaut choose to wear his visor when traveling to space?
The visor is transparent and allows all light to pass
The visor is translucent and allows some light to pass
The visor is opaque and allow some light to pass
The visor is refractive and bounces light from the sun.
This is a picture of a hand shadow. Which property of light makes it possible to produce hand shadows?
Light can be refracted
Light is a form of energy
Light travels in a straight line
Light can be separated into different colors.
Which of the following tools can be used to refract light?
Hand Lens
Thermometer
Triple Beam Balance
Tablet
Which of the following best uses mechanical energy to best perform a useful task?
Flashlight
Pencil Sharpener
Candle
Solar Calculator
What is the energy of moving particles that produces heat
mechanical energy
thermal energy
electrical energy
sound energy
Aracely plugs in a hot plate into an outlet and turns it on. Aracely notices that the hot plate is producing heat. What form of energy is used to power the heat from the hot plate?
Thermal
Electric
Mechanical
Light
Which of these devices is the only one NOT designed to produce both sound and light energy?
After testing refraction of light in water, Victor makes the following conclusion.
Objects look broken when they are in water, so light is reflected in water.
Is Victor's conclusion accurate?
Yes, because the objects appear broken in water, they are reflected
Yes, because all objects reflect light
No, because objects submerged in water do not appear broken
No, because objects appear broken in water due to refraction of light.
A thin beam of light is shown in this picture.
What does the picture demonstrate about light?
Light and its reflections travel in straight lines.
Light cannot reflect from more than one surface.
Light that goes through water cannot travel in straight lines
Light can travel in a circular path.
The photograph shows a laser cutting a sheet of metal as the laser moves from one end of the metal to the other.
Four groups of students each made a table of examples of the different types of energy involved in this process. Which of these tables is correct?
A student wants to build a circuit with four lightbulbs and one bell. The student wants to place a switch in the circuit so that only one light will still be on and the bell will still ring when the switch is opened. Which of these circuits should the student build?
The picture shows how a light ray behaves with two different types of materials.
Eight activities that use energy are listed in the box.
Each of these activities requires the use of which kind of energy?
Thermal
Mechanical
Electrical
Sound
When light bounces off the surface of an object
Cuando la luz rebota en la superficie de un objeto
Reflection
Reflexion
Refraction
refraccion
Illuminate
iluminar
Telescope
telescopio
When light bends ( change direction and speed) as it passes from one medium to anotherCuando la luz se dobla (cambia la dirección y la velocidad) a medida que pasa de un medio a otro
Magnify
aumentar
Lens
lente
Refraction
refraccion
Mirror
Espejo
A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
Una pieza clara de vidrio o plástico curvo que se dobla pasando la luz para enfocar o propagar los rayos de luz
Opaque
Opaco
Telescope
telescopio
Mirror
Espejo
Lens
lente
An object that has a reflective surface
Un objeto que tiene una superficie reflectante.
Telescope
telescopio
Reflection
Reflexion
Mirror
Espejo
Illuminate
iluminar
Light up
Encender
Translucent
translucido
Telescope
telescopio
Refraction
refraccion
Illuminate
iluminar
Increase in size, power, or importance
Aumento de tamaño, potencia o importancia.
Translucent
translucido
Opaque
Opaco
Magnify
aumentar
Microscope
Microscopio
An instrument that uses mirrors and/or lenses to gather and focus light from objects far away
Un instrumento que utiliza espejos y / o lentes para reunir y enfocar la luz de objetos que se encuentran lejos.
Reflection
Reflexion
Mirror
Espejo
Translucent
translucido
Telescope
telescopio
Materials that do not let light pass through
Materiales que no dejan pasar la luz.
concave
concava
Reflection
Reflexion
Opaque
Opaco
Light Energy
Energia Luminosa
Materials that allow some light to pass through
Materiales que dejan pasar algo de luz.
Lens
lente
Reflection
Reflexion
Refraction
refraccion
Translucent
translucido
Materials that let all light to passs through
Materiales que dejan pasar toda la luz.
Telescope
telescopio
Absorb
Absorber
Transparent
transparente
Light Spectrum
Espectro de luz
The small part of the electromagnetic spectrum that the human eye can see; violet, blue, cyan, green, yellow, orange, and red
La pequeña parte del espectro electromagnético que el ojo humano puede ver; violeta, azul, cian, verde, amarillo, naranja y rojo
Magnify
aumentar
Translucent
translucido
Light Spectrum
Espectro de luz
Light Energy
Energia Luminosa
An instrument that uses a lens or a combination of lenses to produce magnified images of very small objects
Un instrumento que usa una lente o una combinación de lentes para producir imágenes ampliadas de objetos muy pequeños
Lens
lente
Absorb
Absorber
Reflection
Reflexion
Microscope
Microscopio
when light energy gets taken in by a material, dark things take in more light energy.
cuando la energía luminosa es absorbida por un material, las cosas oscuras absorben más energía luminosa.
Light Energy
Energia Luminosa
Absorb
Absorber
concave
concava
Illuminate
iluminar
Travels in a straight path, illuminates, provides heat
Viaja por un camino recto, ilumina, proporciona calor.
Reflection
Reflexion
Telescope
telescopio
Light Energy
Energia Luminosa
Prisim
Prisma
solid transparernt object that refracts light
Objeto transparente sólido que refracta la luz.
Reflection
Reflexion
Refraction
refraccion
concave
concava
Prisim
Prisma
curving inward
curvándose hacia adentro
Light Spectrum
Espectro de luz
Microscope
Microscopio
concave
concava
Illuminate
iluminar
In a series circuit what happens when you add another bulb?
The bulbs gets brighter
The bulbs gets dimmer
Nothing changes
A student uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then the student pulls the block the same distance across surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer? (5.6D)
How do block of different sizes react to force?
How do different surfaces affect the amount of force needed to move a block?
How do blocks affect spring scales?
How does the mass of a block change when it is pulled across a desk?
A student observes that the craters on the moon are different sizes. The student designs an experiment to study the formation of craters. The materials for the experiment are marbles and a pan of flour. The student makes a hypothesis that the size of the craters made on the surface of the flour will depend on the height from which the marble is dropped. Some of the steps in the student's experiment are described in the picture. Which of these is most likely Step 3 in the student's experiment? (5.6D)
Drop the same marble from different heights into the pan of flour
Drop marbles of different masses from the same height into the pan of flour
Drop marbles of different sizes from different heights into the pan of flour
Drop a single marble one time into the pan of flour
A student designs an experiment to test the force of a spring using a spring launcher and four spheres with the same diameter but with different masses. What other piece of equipment would be most useful for this experiment? (5.6D)
A graduated cylinder to measure the volume of each sphere before the sphere is launched
A beaker to collect the spheres after they are launched
A stopwatch to measure how long it takes to load each sphere on the spring
A meterstick to measure the height each sphere reaches after the sphere is launched
A student designs an experiment to test the effects of the width of a piece of elastic on the elastic's ability to stretch. The student selects four pieces of elastic with different widths but the same length. The student then attaches blocks with different masses to the pieces of elastic. The results of the student's experiment are shown. What should the student do to improve this experiment? (5.6D)
Use blocks of equal mass on the four pieces of elastic
Use blocks with enough mass to cause the four pieces of elastic to break
Use more than four pieces of elastic and four blocks
Use four pieces of elastic with different lengths but the same width
Students drop the same heavy ball onto identical blocks of soft clay from different heights. For each height they measure the depth of the dent the ball makes in the clay. Why is depth of the dent different in each trial? (5.6D)
The size of the ball changes.
The material of the ball changes.
The mass of the ball when it hits the clay changes.
The force of the ball when it hits the clay changes.
The diagrams show two trials of an experiment in which a spring scale was used to measure force. This experiment can be used to determine--- (5.6D)
how mass affects the force needed to move objects
how force affects the mass of two objects
how the fore used to pull a dictionary affects the mass of a box of marbles
how the mass of a box of marbles affects the mass of a dictionary
Students design an experiment to determine how much force is needed to move blocks of wood of different masses slowly across a lab table. Which procedure should students include in their design? (5.6D)
Conduct five trials, using a different scale to pull each block of wood
Conduct five trials, pulling a different side of each block each time
Conduct five trials, using a different table for each trial
Conduct five trials, pulling each block of wood in the same way for each trial
Match the word with definition.
Spring Scale
anything that has mass and takes up space
Data
the pieces of information collected in an investigation
Variable
any condition that can be changed in an experiment
Matter
a tool used for measure weight and force
Trial
a repeat of a test or an observation
FRICTION
a force working against motion when two things are in contact
FORCE
a push or a pull exerted on an object
GRAVITY
a force that pulls objects towards each other
MOTION
a change of position of an object
NEWTON (N)
a unit of force on a spring scale in the metric system
If the man in the picture lets go of the rope, the barrel will fall to the ground. What force is acting to pull the barrel to the ground?
Magnetism
Friction
Gravity
Electricity
A baseball player applies a pushing force on a ball thrown in the air. What applies a pulling force to the ball at the same time?
The mass of the ball
How hard the player holds the ball
The force of gravity
The force of friction
Jeannie put her soccer ball on the ground on the side of a hill. Which force acted on the soccer ball to make it roll down the hill?
Gravity
Electricity
Friction
Magnetism
Several boxes need to be moved. Which box will need the greatest amount of push to start moving?
The white box
The heaviest box
The yellow box
The smoothest box
5th graders have been studying force and motion. One group of students decided to repeat Galileo’s famous experiment for their science project. They designed an experiment to test the effects of gravity on heavier objects versus lighter objects. They dropped an iron ball and rubber ball from two flights of stairs. 3 trials runs were conducted and then data was recorded. Why did the students conduct 3 trial runs during the investigation?
To formulate a hypothesis
To increase reliability of results
To test more than one variable
To impress the teacher
In science class, students learned that friction is the resistance to motion when two object rub together. The students decided to design an experiment at home to compare friction on dry and icy surface.
Which question is most beneficial for this type of investigation?
Is it faster to sled down an icy hill or down a rough gravel driveway?
What is friction?
What makes ice slippery?
What effect does the height of the hill have on the distance an object travels?
In science class, students learned that friction is the resistance to motion when two object rub together. The students decided to design an experiment at home to compare friction on dry and icy surface.
What is the most appropriate tool to use when collecting data from the investigation?
list
graph
table
chart
When designing an experiment, why is it important to test only one variable?
Testing one variable explains what caused the change once data has been gathered
Testing one variable collects inaccurate data and repeats the investigation more than necessary
Testing one variable decreases the reliability of the investigation
It is not necessary to test only one variable
A science class completed a study on how objects move. All of the following would be considered appropriate when testing the effects of the force of motion on an object EXCEPT–
throwing a baseball
two teams play tug-of-war
measuring the size of 2 marbles
paddling backwards in a boat
What is the unit of measurement of force?
Gram
Newton
Pound
Meter
Students wrap a copper wire around an iron nail and connect the ends of the wire to the battery. The nail attracts other small nails and paper clips as they stick together. What force keeps the nails and paper clips attracted together?
gravity
electrical
magnetism
friction
What force is being tested when an object is forced downward toward the center of the Earth?
gravity
air pressure
magnetism
friction
Rubbing two sticks together to make a fire is an example of—
gravitational force
frictional force
pulling force
magnetic force
What is an example of a gravitational force?
Pushing a grocery cart
pulling a wagon
dropping a pencil on the ground
picking up iron filings with a magnet
Students were organizing their ideas in preparation for an experiment they had designed. Here is a list of tools needed for the experiment:
Based on the information in the table, what type of experiment did the students plan to design?
Testing the physical properties of solutions
Investigating the effects of light and heat on an object
Testing the characteristics of conductors and insulators
Testing the effects of force on an object
. For a science project, students decide to design a model of a roller coaster to test the force of gravity. They planed to build a roller coaster track 5 m in length and use books and boards to build the hills and ramps. According to the process of designing an experiment, which of the following should be the students’ next step?
Construct different types of roller coasters
Gather the materials needed to build the roller coaster
Create a graph to display the results
Draw conclusions from the results
Based on the notebook entry below, which experiment to test force is likely to have been tested:
In science class we tested the effects of force on objects. I learned that when a force is applied, an equal but opposite force is created. The coach let us borrow materials and we completed the experiment in the gym. The other team won when they crossed the line. Our team fell down to the ground. Learning about forces was fun!
Pushing a rope
Pushing against a wall
Partners pushing their hands against each other
Throwing a ball against the wall
A marble is rolled in a straight line inside a box. When the marble gets to the end of the box, it changes direction and rolls the other way. Which statement best describes why this happens?
The marble had nowhere else to go, so it moved in the opposite direction
The force of gravity on the box pushed the marble in the opposite direction
The force of the marble hitting the box produced an opposite force pushing the marble in the opposite direction
The marble stopped by the wall and then magnetic force pushed it in the opposite direction
Alexa pushes on a door to open it. How does the concept of forces explain why the door opens?
The door pushed equally hard on Jeanie as she pushed on it.
The door moved in the opposite direction of the pushing force.
The door moved in the direction of the pushing force.
The door opened because of noncontact forces.
To find out if gravity affects all objects the same way, you should plan to investigate the time it takes a penny and a quarter to fall from an equal height. Which step should be a part of your experiment?
Drop the penny from a height of 2 meters and the quarter from a height of 4 meters.
Drop the penny from a height of 4 meters and the quarter from a height of 2 meters.
Drop both the penny and the quarter from a height of 4 meters.
Drop the penny from a height of 4 meters and throw the quarter from a height of 4 meters.
Why is friction classified as a contact force?
Friction can act when objects are not in direct contact.
Friction acts when two objects rub against each other.
Friction causes a change in motion.
None of the other answers answer choices.
Tom is mowing his lawn and the lawnmower is moving forward. Which of the following statements must be true?
There are no forces acting on the lawnmower.
The only force acting on the lawnmower is gravity.
Tom is applying a force on the lawnmower.
The total force on the lawn mower is zero.
Rubbing two sticks together to make a fire is an example of
(a)
Students test the effect of forces that act from distance. Thus causing an object to move. They discover that two forces have this effect on object. These forces are
friction and gravity
Gravity and magnetism
Magnetism and friction
gravity and density
When designing an experiment, why is it important to test only one variable?
Testing one variable explains what caused the change once data has been gathered.
Testing one variable collects inaccurate data and repeats the investigation more than necessary.
Testing one variable decreases the reliability of the investigation.
It is not necessary to test only one variable.
In the picture below one object is attracted to another by
gravity
a push
magnetism
friction
a pull
In the science class students learn that friction is the resistance to motion when two objects rub together. The students decide to design an experiment at home to compare frictionon dry and icy surfaces. Which question is the most beneficial for this type of investigation?
Is it faster to sled down an icy hill or down a rough gravel driveway?
What is friction?
What makes ice slippery?
What effect does the height of the hill have on the distance an object travels.
What force is being tested when an object is forced downward toward the center of Earth?
Gravity
Air pressure
Magnetism
Friction
What is the unit of measurement for force?
gram
newton
pound
meter
Students wrap a copper wire around an iron nail and connect the ends of the wire to battery. The nail attracts other small nails and paper clips as they stick together. What force keeps the nails and paper clips attached together/
gravity
electricity
magnetism
friction
A student designs an experimental investigationto test the relationship between the height of the ramp and the distance a marble travels down the ramp. Which would be an oimportant rule to follow before beginning the investigation?
Wear gloves to protect hands.
locate the fire extinguisher.
get plan approved by teacher.
Properly dispose of materials.
A kickball is rolled toward home plate and kicked by a player. Which statement best ddescribes the movement of the ball?
The ball is pushed by both the pitcher and the kicker.
The ball is pushed by the pitcher and pulled by the kicker.
The ball is pulled by the pitcher and pushed by the kicker.
The ball is pulled by both the pitcher and the kicker.
students observe a pendulum and count the number of swings the pendulum makes in one minute. What tool do students need to conduct the investigation?
metric ruler
compass
prism
timing device
Students are investigating how mass affects the force needed to move an object. They attached a wooden block to a spring scale and placed a 10 g mass on top of the block and pulled it 50 cm across a table top. As they did, they observed the force shown on the spring scale. Which of the following describes the next step they should take in their investigation?
Pull the spring scale a longer distance.
Cover the table top with a carpet square.
Repeat the same steps using a heavier mass.
Attach a smaller block to the spring scale
A group of students wanted to compare the distances a toy car travels after leaving ramps of different heights. What tool would provide the most useful information for their comparison?
Stop watch
Pan balance
Hand lens
Meter stick
Students are investigating motion with a rubber band car. They want to know how the number of winds of the rubber band affects how the car moves. They will record the number of winds of the rubber band. What other data will they need to collect?
The distance the car travels when released
The length of the rubber band during each trial.
The amount of time it takes to wind the propeller
The width of the surface on which the car moves
A group of students collected the following data by pulling a toy car back at different distances and then releasing it. According to the data, the distance the toy car traveled increased as the -
mass of the car was decreased.
starting pull-back point increased.
temperature in the classroom increased.
surface on which the car rolled was changed.
Students create balloon rockets by taping drinking straws to balloons and running a thick string through the straw. The ends of the string are held tightly apart. When the balloon is inflated and released, it moves along the string. What should the students do to change the amount of friction that slows the motion of the balloon rocket?
Try different color balloons.
Use a different type of tape.
Replace the string with thin wire.
Hold the string ends closer together.
Students wanted to see if the distance a marble rolled down a ramp changed the force it had. They allowed a marble to roll down the ramp from different starting points and strike a second marble. To determine if the force of the rolling marble changed, what should the students measure?
The mass of Marble #2 before and after being struck by Marble #1.
The distance Marble #2 moves after being struck by Marble #1.
The time it takes Marble #2 to move after being struck by Marble #1.
The direction Marble #2 moves after being struck by Marble #1.
Students hung three washers on a string 20 cm long off the edge of a desk and timed how long it took the washers to swing back and forth one time. They repeated the investigation, using the same three washers, with string that was 30cm and 40 cm long. The students are testing the effect of which factor on the time it takes the washers to swing?
Height of desk
Length of string
Number of washers
Number of swings
Some students wanted to find out if a tennis ball and a baseball dropped from the same height hit the ground at the same time. This investigation tests the effect of which of the following?
Wind
Friction
Gravity
Magnetism
Students taped a rubber band to a box of washers, then dragged the box across four different surfaces, using the rubber band. The students are using the distance the rubber band stretches to measure the amount of friction each surface exerts on the box. Based on the observations shown here, which surface had the greatest amount of friction?
Surface A
Surface B
Surface C
SurfaceD
Some students launched an air rocket several times. Each time they increased the number of pumps before releasing the rocket. What data should they collect in order to test how the number of pumps affects the movement of the rocket?
The height the rocket rises each time.
The width of the rocket on its base.
The distance from the pump to the rocket.
The volume of air the pump holds.
Students conducted an investigation in which they measured the distance a toy car traveled after rolling down a ramp covered with sandpaper or wax paper. Which of these questions can the students answer by analyzing the results of their investigation?
How does changing the height of a ramp affect the distance a toy car rolls?
How does changing the surface of a ramp affect the distance a toy car rolls?
How does mass affect the distance a toy car moves after rolling down a ramp?
How does the design of a toy car affect its movement after rolling down a ramp?
Which two tools below would be most useful in testing how the mass of an object can affect the distance it moves after being pushed?
Spring scale and hot plate
Balance and meter stick
Graduated cylinder and beaker
Magnet and thermometer
If a student has two magnets, how might it be determined which magnet is stronger?
Count how many paper clips each magnet can lift.
Submerge each magnet in a bowl of water.
Examine each magnet to determine the north pole.
Measure the length and the mass of both magnets.
Students conducted an investigation in which they rolled a soda can down a ramp that was 30 cm high and one that was 40 cm high. Which question were the students most likely trying to answer?
How does mass of a soda can affect the distance it will roll?
How does surface friction affect the distance a soda can will roll?
How does the size of a soda can affect the distance it rolls?
How does ramp height affect the distance a soda can rolls?
A science class wanted to know if a golf ball and a table tennis ball would roll the same distance after rolling down a ramp. Which of the following shows a fair test of this idea?
A push or a pull
(a)
A force of attraction to objects with iron or steel
force
magnetism
density
gravity
Force that pulls things down to Earth
(a)
Force created by rubbing against an object
(a)
Movement over a distance in a given time
speed
friction
magnetism
density
A student uses a spring scale to pull a 50-gram block horizontally across a wood desk. Then the student pulls the block the same distance across surfaces of carpet, sandpaper, and glass. Which question is this investigation most likely designed to answer?
How do block of different sizes react to force?
How do different surfaces affect the amount of force needed to move a block?
How do blocks affect spring scales?
How does the mass of a block change when it is pulled across a desk?
Students placed two identical toy cars on these wooden ramps. The students let the cars roll down the ramps. This experiment most likely tests the hypothesis that -
ramps made of wood make cars roll faster
the height of the ramps affects the speed of the car
the speed of the car is determined by tire size
plastic cars travel faster than metal cars
What causes these cars to move down the ramps?
Electricity
A force that pulls
Magnets
A force that lifts
some students attach a balloon to a straw and then tape the straw to the top of a toy car. The students inflate the balloon and release the car. The car travels 40 centimeters across the floor. What should the students do to determine whether the force of the air from the balloon is enough to push the car 40 centimeters across the same floor in repeated trials?
Test the car several times using an identical balloon filled with different amounts of air
Test the car several times using different-sized balloons filled with the same amount of air
Test the car several times using an identical balloon filled with the same amounts of air
Test the car several times using different-sized balloons filled with different amounts of air
A student has one 15 gram ball and one 60 gram ball. She sets the balls in the starting positions shown below. A fan is used to blow air towards the balls. The fan is turned on at medium speed. In 2 seconds, the 60 gram ball rolls to Position A. How will the motion of the 15 gram ball compare to the motion of the 60 gram ball?
The two balls will probably rool the same distance in 2 seconds.
The 60 gram ball will probably roll farther than the 15 gram ball in 2 seconds.
The 15 gram ball will probably roll farther than the 60 gram ball in 2 seconds.
The 15 gram ball will probably not roll at all.
Which experiment listed below will best determine how friction affects the speed of a rolling object?
Roll 3 objects of various sizes across the floor
Roll 3 objects of equal size from various heights across the floor
Roll 3 objects of equal size across 3 different types of surfaces
Roll 3 objects of equal size from equal heights across the floor
A science class wanted to know if an empty wagon and a wagon full of books would roll down a ramp at the same speed. Which of the following shows a fair test?
A system is a group of parts that work together for a common function. What will happen to the book if the teacher pushes down on the ruler in the system pictured?
The book will remain in exactly the same position.
The teacher will not be able to move the ruler.
The edge of the book on the ruler will rise.
The book will slide off the end of the table.
A student drops a ball from shoulder height. What force causes the ball to fall to the ground?
Electricity
Friction
Gravity
Magnetism
More friction occurs when an object rubs against—
a smooth surface
a wet surface
an icy surface
a rough surface
If a marble and a baseball being held 10 feet from the ground are both dropped at exactly the same time, what will probably happen?
The marble will hit the ground first
The baseball will hit the ground first
They will hit the ground at the same time
The marble will break into many pieces
A boy was pushing a wheelbarrow with a plant in it to his backyard. The boy brought the wheelbarrow to a sudden stop. The plant went sailing out of the wheelbarrow. What caused the plant to keep moving when the wheelbarrow stops?
Gravity
Air pressure
Inertia
Friction
Some students had to move four boxes for the teacher. They applied an equal force to each box for 10 seconds. Which box will be moved the greatest distance?
The force that pulls objects toward the center of the Earth is called –
friction
gravity
motion
inertia
After a golf ball was hit, it landed on a horizontal grass surface and rolled for 25 meters before coming to a rest. Which of the following forces caused the golf ball to stop rolling?
The force of gravity
The friction from the grass
The decreasing mass of the golf ball
The decreasing energy of the golf ball
In which position would the bicycle rider use the least amount of force to make the bicycle move?
Position 1
Position 2
Position 3
Position 4
A toy car was rolled down a ramp. The distance the car traveled once leaving the ramp is shown in the picture. About how far past the end of the ramp did the car travel?
70 cm
75 cm
80 cm
85 cm
Which object would require the most force to move a distance of 3 meters?
Lima bean
Toy car
Camera
Rock
The diagram shows a marble rolling down an inclined plane (ramp). The position of the ball is labeled for each second it travels. Which of the following BEST describes the motion of the marble?
The speed of the marble increases every second.
The speed of the marble decreases every second.
The marble maintains a constant speed every second.
The marble is changing direction every second.
A lab group is given 5 meters of string, a drinking straw, a balloon, and some tape. The students use these materials to demonstrate the motion of a balloon rocket as shown in the picture. What would MOST LIKELY make the balloon rocket move faster?
Holding the string so that it is less tight
Using a bigger straw
Filling the balloon with more air
Wrapping the tape all the way around the balloon
