Worksheets5th Science DCA2 Review
Total questions: 74
Worksheet time: 2hrs 37mins
The diagram above shows one container with oil and water and another with oil and a cork. Which diagram below shows what most likely would happen if oil, water, and the cork were all put in the same container?
The table lists some properties of 4 different samples of matter. Which two samples could be glass and saltwater?
Sample 1 and 2
Sample 3 and 4
Sample 1 and 3
Sample 2 and 3
The same quantity of sugar and sand are added to a glass of water and stirred. After some time the sugar particles cannot be seen while sand particles settle down. Based on the observations, which of the following statements is TRUE?
Sugar is soluble in water while sand is not.
Sand is soluble in water while sugar is not.
Both sugar and sand are soluble in water.
Both sugar and sand are not soluble in water.
Student measured 100ml of water and poured it inside a beaker. The teacher then asked the students to place 50 ml of water in the freezer and 50 ml of water in a hotplate for 20 minutes. What did the students most likely observe after 20 minutes
The water in the freezer became a solid while the water on the hotplate evaporated
The water in the freezer stayed a liquid, while the water on the hotplate was boiling
The water in the freezer "disappeared: while the water in the hotplate stayed a liquid
Both the water in the freezer and the hotplate keep the same state of matter
A teacher ask 6 students to design and build solar ovens that could be used to boil water. After the ovens are complete, the students record the maximum temperatures that can reached inside their ovens in 1 hour. Which list identifies all the ovens that must be redesigned in order to reach temperatures that will boil water in 1 hour?
Ovens 1,3, 4, 5, and 6
Ovens 1,3, 5 and 6
Ovens 1,3 and 6 only
Ovens 1 and 3 only
A student observes ice forming on the edge of a school building. At what temperature did the water outside the school building most likely begin to change to ice?
100*C
32*C
25*C
0*C
Which tool would BEST help you separate a mixture of sand and water?
Paper Filter
Tweezers
Hot Plate
Sieve
Olive must use physical properties in her science class to separate various mixtures. If she wants to separate a mixture of sand, gravel, and iron filings, which two properties does she need to consider before choosing a tool?
a. Color and magnetism
b. State of matter and conductivity
c. Size and magnetism
d. Mass and solubility
Match the following
Maintain
to keep, or to stay the same
Physical Change
a change to the observable properties
Mixture
a combination of two or more materials
Physical Property
a characteristic
Ingredient
a single part of a mixture
A 5th grader dissolved green powdered drink mix and sugar in water. He decided it was too sweet, so he poured out half of the liquid and added more water.
Which of the mixture’s properties changed after adding more water?
The taste
The color
The physical state
Both a and b
Some people add sugar to hot tea. Which property of sugar remains the same when the sugar is in the tea solution?
The taste of the sugar
The size of the sugar crystals
The color of the sugar crystals
The texture of the sugar crystals
A student is given a beaker container gravel and water. Which of these could ways could the student NOT use to separate the gravel from the water?
1
2
3
4
When a bat searches for prey at night, it makes sounds as it flies, and it uses the sounds echoes to find its prey. When the bat flies and listens to echoes to locate prey, it is using....
thermal energy and light energy
sound energy and thermal energy
mechanical energy and sound energy
light energy and mechanical energy
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
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.
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
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 each made a table of examples of the different types of energy involved in this process. Which of these tables is correct?
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
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
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
The picture above shows a child standing in a swimming pool. Why does the lower part of a child appear so much different in size from the upper part?
The light rays that travel through water and then into air are refracted
The light rays that travel through water and then into air are enlarged
The light rays that travel through air and then into water are reflected
The light rays that travel through air and then into water are reduced.
The diagram above shows a fish being viewed from above the water. The fish appears to be closer to the surface than it really is. What causes the this difference?
Light is reflected
Light is refracted
Light is focused
Light is blocked
The picture shows an area of Yosemite National Park. Which statement about light is supported by this picture?
Light travels in a straight line until it enters a different material like water in a lake.
Light can refract in air and in clear water
The water in the lake is blue because light forms an image
Light is reflected off the smooth surface of the lake
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 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 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?
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.
The first four planets are called the inner planets. Which choice lists them in the correct order?
Mercury, Venus, Mars, Earth
Mercury, Venus, Earth, Mars
Mars, Venus, Earth, Mercury
Venus, Mercury, Earth, Mars
The seventh planet from the Sun orbits on its side and is sometimes called “the ice giant.” What is this planet?
Jupiter
Saturn
Mercury
Uranus
Which planet is marked by the letter X?
Earth
Mars
Venus
Mercury
The fifth through eighth planets are called the outer planets. Which choice lists them in the correct order?
Saturn, Jupiter, Uranus, Neptune
Jupiter, Uranus, Saturn, Neptune
Neptune, Uranus, Saturn, Jupiter
Jupiter, Saturn, Uranus, Neptune
Which planet is marked by the letter X?
Mars
Jupiter
Saturn
Neptune
Which of these cycles is a direct result of Earth's rotation? (5.8C)
Day and night
Moon phases
Rainfall and evaporation
Seasons
Shadows cast by objects change throughout the day. The picture shows the shadow cast by a tree at 3 pm. Which picture shows how the tree's shadow most likely looked at 9 am? (5.8C)
A student draws diagrams of her house and the location of the sun in the sky. Which diagram does not correctly represent the location of the sun at the time indicated? (5.8C)
A teacher asks students to explain what they see in this picture. Four student explanations are shown in the box. Which of the students gave a correct explanation? (5.8C)
Student 1 only
Students 2 and 4 only
Student 2 only
Students 1 and 3 only
Which diagram does NOT correctly represent the location of the sun at the time indicated?
F
G
h
J
Which of the following characteristics could be placed in the center part of the diagram?
Which of the characteristics best describes both the Earth and Moon?
Experiences high and low tides
Has 100% oxygen in the atmosphere
Has severe storms
Has craters
Which shows the best example of a shadow at about noon?
Earth's rotation causes...
Moon phases
Day and night
Seasons
The water cycle
Earth's tilt causes...
Moon phases
Day and night
Seasons
The water cycle
What causes hot summers?
Earth's tilt away from the Sun
Earth's tilt toward the Sun
The picture shows a view from above a tree. What time is it closest to based on the tree's shadow?
9 a.m.
12 p.m.
3 p.m.
a
b
c
d
a
b
c
d
What time of day is represented at point A ?
12:00 pm
6:00 am
12:00 am
6:00 pm
What time of day is represented at point A?
10: 00 pm
noontime
10:00 am
midnight
Some scientists measured and recorded local rainfall amounts and water levels at several local lakes over the summer. They compared their measurements with data from the past 30 years. What characteristic of the area are the scientists studying?
Climate, because they are making more than one type of measurement
Climate, because they are comparing rainfall amounts over a long period of time
Weather, because they are tracking changes only to their local environment
Weather, because they expect rainfall amounts and water levels to continue to decrease
Which of the following is a description of climate?
Today it is hot and sunny in Phoenix, Arizona.
Summers are usually mild in Lansing, Michigan.
Last week it rained every day in San Antonio, Texas.
Yesterday was cold and windy in Anchorage, Alaska.
Which of the following is an example of weather data?
The average high temperature in May is 21°C in the Midwest of the United States.
Central Australia usually receives less than 110 mm of rainfall all year.
The relative humidity was 24% at noon on July 23 in Tempe, Arizona.
On average, there is 88 mm of rain in the Gulf Coast region in July.
The boundary between two air masses is known as:
front
storm
climate
flood
The amount of water vapor present in the air is called ________________.
weather
humidity
air mass
water cycle
The (a) drives the water cycle. The stages in the water cycle are evaporation, (b) , precipitation, accumulation, and runoff. (c) is also absorbed into the ground and becomes groundwater.
The labeled diagram shows the water cycle. In the diagram, which letter represents condensation?
A
B
C
D
Students built a model of the water cycle by putting water in the bottom of a plastic bottle and then shining a lamp on it. They observed tiny droplets appearing near the top of the bottle and larger drops sliding down the sides of the bottle. What part of the model demonstrates precipitation?
Lamp shining on bottle
Tiny droplets forming at top of bottle
Drops running down the side of bottle
Water sitting in the bottom of bottle
The diagram shows the water cycle. What change occurs at Point B in the water cycle?
A gas changes to a liquid.
A liquid changes to a gas.
A solid changes to a liquid.
A gas changes to a solid.
