WorksheetsSTAAR Science Review - Physical
Total questions: 50
Worksheet time: 2hrs 16mins
A worker built a sidewalk and pressed some large salt particles into the concrete while it was still wet. When the concrete was dry, the worker washed the sidewalk with water. The picture below shows the sidewalk after it was washed.
What most likely happened to the salt?
It evaporated into a gas.
It turned into concrete.
It dissolved in the water
It turned into a solid.
A cook uses the ingredients listed below to prepare a meal.
Which table correctly shows the physical properties of these ingredients when placed in hot water?
When a powdered drink mix was added to water, the liquid turned orange. A student decided the taste was too strong, so he poured out half of the liquid and added more water. Which of the following most likely occurred when more water was added?
The physical state changed.
The orange color became lighter.
The liquid had a sweeter taste.
None of the above
A student made a mixture using equal amounts of salt and pepper. The salt grains were the same size as the pepper grains. What should the student do to most easily separate the pepper from the salt?
Use a pair of tweezers to remove each grain of pepper
Run a small magnet through the mixture to attract the pepper
Put the mixture in water and filter the pepper out of the water
Use a strainer with a fine wire screen to remove the pepper
A teacher gives a student four clear sealed containers. Each container holds a different substance. The student records some observations about the substance in each container. Based on these observations, which container most likely holds only gas?
Container 1
Container 2
Container 3
Container 4
Some students investigate the properties of four objects using a hand lens, a magnet, and a beaker containing water. Their observations are recorded in the table. Which statement identifies a property that could be used to classify these objects into two different groups?
Density can be used to separate objects that sink in water from objects that do not.
Magnetism can be used to separate objects that are attracted by a magnet from objects that are not.
Solubility can be used to separate objects that dissolve in water from objects that do not.
Physical state can be used to separate objects that are solids from objects that are not.
A student adds 10 grams of four different powdered solids into four different beakers. The student then adds 100 mL of water to each beaker, stirs the mixtures, and allows them to sit for half an hour before recording observations. Which question is the student most likely trying to answer with this investigation?
At what water temperature do the substances dissolve?
How much water is needed to cause a substance to change state?
What causes a substance to sink when put in water?
Which substances dissolve in water?
A student classifies the objects shown based on their physical properties. Which property cannot be used to classify these objects into more than one group?
Magnetism
Mass
Electrical conductivity
Solubility in water
A science class tested three properties of different materials. The results are shown in the table below. Based on the table, which material would be best to use to insulate electrical wires?
Wood
Plastic
Copper
Steel
A student combined powdered paint with water to make a small amount of a blue liquid paint mixture. The student left the paint mixture in an open container. Several days later the student found the container and observed that changes had occurred. What most likely happened to the mixture?
The container was empty after the mixture evaporated into the air.
The paint evaporated, leaving only clear water in the container.
The water evaporated, leaving only a dry blue solid in the container.
The liquid paint mixture was lighter in color after some water evaporated.
Some people add sugar to their hot tea. Which property of the 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
The texture of the sugar
The table lists some properties of four different samples of matter. Which two samples could be glass and saltwater?
Samples 1 and 2
Samples 3 and 4
Samples 1 and 3
Samples 2 and 3
Some ways to separate mixtures are listed below. A student is given a beaker containing gravel and water. Which of these ways could the student NOT use to separate the gravel from the water?
1
2
3
4
For an investigation a student put 100 mL of water at room temperature into each of three beakers. Then the student added a coin to Beaker R,3 g of a powdered drink mix to Beaker S, and 10 mL of lamp oil to Beaker T. The student stirred the contents of the beakers and then left them sitting on a lab table for 5 minutes. Which diagram shows what the student most likely observed in each of the beakers after 5 minutes?
Students are investigating properties of objects. They observe four objects and record observations for each object in the table. Based on the students’ observations, which of these tables properly identifies the objects?
A student measured out 10 mL of four clear liquids and added one drop of a different-colored dye to each liquid. One of the liquids was water. The student then carefully poured each liquid into a graduated cylinder and let the mixture settle for 30 minutes. The student observed that the liquids had separated into layers, as shown in the diagram. Which of these procedures would help the student identify the layer of water?
Stir the liquids, let them settle, and then identify the bottom layer as water
Drop a piece of ice into the graduated cylinder, let the ice settle, and then identify the layer just above the ice as water
Add water to the graduated cylinder, let the mixture settle, and then identify the layer that increases in volume as water
Carefully pour each layer into separate plastic containers, place the containers in a freezer, and then identify the liquid that takes the longest to freeze as water
A student stirs 15 grams of each substance listed below into 200 milliliters of water to form four different mixtures. The student then tries to separate the water from each mixture by pouring the mixture through a kitchen tea strainer. Which mixture can the student separate most easily with the strainer?
Salt and water
Gravel and water
Shampoo and water
Sugar and water
A student measures the mass of several substances and records the results in the table below. What is the difference in grams between the total mass of the liquid substances and the total mass of the solid substances used in the investigation?
186 g
168 g
163 g
183 g
This circuit has five light-emitting diode, or LED, lights. It also has one battery and one switch. Which LEDs produce light when the switch is in the position shown? (5.6B)
LEDs 1, 3, and 4 only
LEDs 1, 2, 3, and 4
LEDs 3 and 4 only
LEDs 1, 3, 4, and 5
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 lightbulbs. In which of these circuits will the other lightbulbs still light even if one bulb is burned out? (5.6B)
The diagram shows an electric circuit with four bells that a student plans to build. When the student connects the wires as shown, which of the bells will ring? (5.6B)
Bell 1 only
Bells 1 and 4 only
Bells 3 and 4 only
Bells 1, 2, 3, and 4
This circuit has three lightbulbs and a bell. Which procedure will result in only the blue lightbulbs operating? (5.6B)
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
Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open? (5.6B)
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.
A group of students built the circuit shown here. The lightbulb does not glow. Which statement explains this observation? (5.6B)
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.
Which of these changes to the electric circuit shown will cause the lightbulb to light up? (5.6B)
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
The picture shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut at the point shown by the arrow? (5.6B)
0
1
2
3
This circuit has five light-emitting diode, or LED, lights. It also has one battery and one switch. Which LEDs produce light when the switch is in the position shown? (5.6B)
LEDs 1, 3, and 4 only
LEDs 1, 2, 3, and 4
LEDs 3 and 4 only
LEDs 1, 3, 4, and 5
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
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
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
The picture shows a child standing in a swimming pool. Why does the lower part of the child appear so much different in size from the upper part? (5.6C)
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 model shows a special glass fiber that is thinner than some metal wires. When light enters one end of the fiber, it moves through the fiber as shown. After the light leaves the fiber, it travels---(5.6C)
in a straight line
back into the fiber
around the fiber
in a curve
A student looks into a mirror and sees an image of an object. Which diagram shows an X where the object is most likely located? (5.6C)
This photograph shows a girl using a lab instrument during an investigation on light. A teacher asks the students in the class to look carefully at the girl's eye and give reasons for its appearance. Which table correctly identifies the reasons for the appearance of the girl's eye through the lab instrument? (5.6C)
The picture shows an area of Yosemite National Park. Which statement about light is supported by this picture? (5.6C)
Light travels in straight lines until it enters a different material like water in a lake.
Light can refract in air and in clean water.
The water in the lake is blue because light forms an image.
Light is reflected off the smooth surface of the lake.
Some students are feeding a crab in an aquarium. They use tongs to place the food directly in front of the crab. The students look through the side of the aquarium. They notice that the image of the tongs appears to break as the tongs enter the water. Which property of light are the students observing in this situation? (5.6C)
Light can be refracted and separated into different colors as it moves from air to a different medium.
Light is refracted as it moves from one medium to another medium.
Light travels in a straight line and can be reflected off the surface of water.
Light is absorbed by water and reflected off glass.
The toy oven shown uses a lightbulb to bake small cakes. What types of energy does the toy oven use to bake the cakes? (5.6A)
Electrical and thermal
Mechanical and electrical
Thermal and mechanical
Light and sound
Students use a circuit to investigate the properties of six objects. The buzzer makes a sound if an object completes the circuit. The circuit and observations are shown. Which objects are electrical insulators?
Eraser, toothpick, cotton ball
Eraser, paperclip, safety pin
Toothpick, paper clip, safety pin
Paper clip, safety pin, aluminum foil
A student pushes a ball along a hallway. A diagram shows the position of the ball every second for five seconds after it starts rolling. At one of the positions shown, an extra force is applied to the ball as it moves. Which diagram BEST represents the direction of the extra force and the position where the extra force was applied to the ball?
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.
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? (5.6B)
Switch S only
Switches R and S only
Switches R and T only
Switches R, S, and T
The picture shows a cumulonimbus cloud forming over an ocean. Which statement best explains how the sun and the ocean interact to form a cumulonimbus cloud?
Heat from the sun warms the ocean, causing water to evaporate. The water vapor then condenses to form a cumulonimbus cloud.
Heat from the sun causes clouds in the area to gather over the ocean and form one large cumulonimbus cloud.
Light from the sun shines on the ocean, causing water vapor to condense. The water then evaporates to form a cumulonimbus cloud.
Light from the sun causes ocean water to reflect water vapor into the air and gather over the ocean into a cumulonimbus cloud.
A student pours 14 grams of sugar into a jar filled with 500 milliliters of water. The student thoroughly stirs the sugar and water to make a solution. Which change most likely occurs to the sugar when it is added to the water?
The sugar breaks down to form a new substance in the solution.
The sugar changes water into a new substance in the solution.
The sugar floats on the surface of the water in the solution.
The sugar completely dissolves in the solution.
Students conduct an investigation with breakfast cereal. The first four steps of the students’ investigation are in the table shown.
The students are trying to determine the presence of which substance in the cereal?
Sugar
Salt
Wheat
Iron
Students observe some objects on a lab tray. The students will classify the objects based on physical properties common to all of the objects.
Based on their common properties, how should these objects be classified?
A student poured equal amounts of water and cooking oil into a jar. The student placed a lid on the jar and shook the mixture for five seconds and then let the jar sit for ten minutes. The results of this investigation are shown.
Which conclusion best compares a property of cooking oil and water shown in this investigation?
Cooking oil is less dense than water.
Water is less dense than cooking oil.
Water dissolves in cooking oil.
Cooking oil dissolves in water.
A science class is observing a pet turtle in a small plastic pool. The students turn on a portable camping lamp that is clamped on to a counter next to the pool. Which kind of energy is used by the portable lamp to produce light?
mechanical energy, because the lamp is clamped on to the counter
thermal energy, because the lamp increases the temperature of the water
electrical energy, because the lamp is battery-operated
sound energy, because the lamp vibrates when clicked on
A student uses a set of headphones to listen to music. Which of these objects uses the same source of energy as the headphones?
A flute using wind energy
A piano using mechanical energy
A keyboard using electrical energy
A teapot using thermal energy
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 or the candle?
light, mechanical, and thermal
electrical and thermal
mechanical, light, and electrical
thermal and mechanical
A student places 250 g samples of clay, sand, gravel, and silt in separate flower pots. The pots are set on a wire rack, and dishes are placed beneath the pots so that water can drip through holes and collect. The student then pours 100 mL of water over the sample in each pot. The student measures the time it takes for water to begin dripping from the bottom of each pot.
What property of soils is the student most likely examining with this procedure?
The differences in texture between wet and dry soils
How well different soils retain water
How much water is needed to dissolve different soils
The amount of time it takes different soils to dry
