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100
Emma wanted to know if a new kind of container would keep seeds warmer than other containers. She placed the same amount of soil and the same number of bean seeds in both kinds of containers. Emma placed a thermometer in the soil in each container. Why did Emma MOST likely place a thermometer in each pot?
A. to compare the temperature of the soil in both pots
B. to compare the temperature of the air with the soil
C. to measure the amount of moisture in both pots
D. to measure the amount of soil in both pots
A. to compare the temperature of the soil in both pots
100
Which plant part absorbs minerals?
A. leaf
B. root
C. fruit
D. flower
B. root
100
Which word BEST describes the role of a hypothesis during an investigation?
A. summarizing
B. conducting
C. changing
D. predicting
D. predicting
100
Evan is performing an investigation. Before conducting his investigation, what must Evan do?
A. record his observations
B. develop a hypothesis
C. reach a conclusion
D. organize the data
B. develop a hypothesis
100
Ian wanted to know which type of food the birds in his area liked best. So, he put different kinds of seeds in four bird feeders in his backyard. He noticed that most of the birds ate at one feeder. He decided they preferred one type of food more than the others. What ended Ian's investigation?
A. a hypothesis
B. a question
C. a conclusion
D. an observation
C. a conclusion
200
A camera was used to take a picture of the flower at the same time every day for 18 days.
What question are the scientists MOST likely investigating?
A. What happens to this kind of flower throughout a year?
B. How does the plant grow and respond over time?
C. What kind of seed is produced by this plant?
D. Are insects killing this kind of flower?
B. How does the plant grow and respond over time?
200
A student attached weights to the bottom of a spring as shown. The student measured how far the weights moved down.
What is the student most likely testing?
A. how height affects force
B. how friction affects force
C. how mass affects force
D. how volume affects force
C. how mass affects force
200
Anthony designs an experiment in class that includes a golf ball, a meter stick, and a tray of flour with a level surface. He drops the ball from a different heights of 0.5 m, 1.0 m, and 1.5 m, measures the depth of the crater left behind, and levels the surface between each drop.
What question is Anthony trying to answer with this experiment?
A. Will the mass of the golf ball affect the size of the crater?
B. Will the golf ball make a crater when it drops in the flour?
C. Will the height from which the golf ball is dropped increase the size of the crater?
D. Will the type of flour affect the depth of the craters made by the golf ball?
C. Will the height from which the golf ball is dropped increase the size of the crater?
200
Anthony designs an experiment in class that includes a golf ball, a meter stick, and a tray of flour with a level surface. He drops the ball from a different heights of 0.5 m, 1.0 m, and 1.5 m, measures the depth of the crater left behind, and levels the surface between each drop.
What is the variable in this experiment?
A. The ball
B. The height from which the ball dropped
C. The meter stick
D. The flour
B. The height from which the ball dropped
200
Two researchers conducted an investigation. They walked and then ran along a 30-meter-long track in the rain. The table shows the amount of rainwater their clothing collected.
Which conclusion is BEST supported by these data?
A. Walking dries clothes faster than when running in them.
B. Running makes clothes hold more water than when walking through rain.
C. Clothes come into contact with less water when a person is running through the rain.
D. Clothes take less time to get soaked with water when a person is walking.
B. Running makes clothes hold more water than when walking through rain.
300
Rube Goldberg was an artist who drew cartoons that showed a very complicated way to do a simple task. The picture below shows a cartoon like the ones Goldberg drew.
Which form of energy is used to turn on the switch?
A. Light energy
B. Thermal energy
C. Electrical energy
D. Mechanical energy
D. Mechanical energy
300
This question has two parts. First, answer Part A. Then answer Part B.
Look at the set of lights in the picture below.
What will happen if one bulb burns out in the circuit?
A. All the lights will stop working.
B. The other lights will still work.
C. Only the first light will work.
D. Only the last light will work.
Part B
Which statement best supports the answer in Part A?
A. In a series circuit, one burned-out light bulb will prevent all the light bulbs from lighting.
B. In a series circuit, one burned-out light bulb will have no effect on all the other light bulbs.
C. In a parallel circuit, one burned-out light bulb will prevent all the light bulbs from lighting.
D. In a parallel circuit, one burned-out light bulb will have no effect on all the other light bulbs.
Part A
B. The other lights will still work.
Part B
D. In a parallel circuit, one burned-out light bulb will have no effect on all the other light bulbs.
300
A student on a hike in the woods observes a mouse and a bear while walking as shown in the picture below.
Student Observations
Bear standing on a rock
Mouse eating a berry
Based on the student's observations, which statement BEST describes an interaction between one of the animals and a living component of the environment?
A. The bear is standing on a rock.
B. The bear is standing in a patch of fog.
C. The mouse is breathing oxygen from the air.
D. The mouse is eating a berry from a vine.
D. The mouse is eating a berry from a vine.
300
A student on a hike in the woods observes a mouse and a bear while walking as shown in the picture below.
Student Observations
Bear standing on a rock
Mouse eating a berry
Which statement BEST supports the answer to Part A?
A. The berry can grow and reproduce.
B. The fog surrounds the bear and makes him wet.
C. The mouse needs oxygen to survive.
D. The rock is a steady place for the bear to stand.
A. The berry can grow and reproduce.
300
This question has two parts. First, answer Part A. Then answer Part B
Part A
A group of students created a hovercraft model out of materials found at home. They used a dish soap bottle top, a CD, and a balloon. If the students blow up the balloon, what can they expect to see happen?
A. The hovercraft will lift off of the table.
B. The hovercraft will slide to the right.
C. The hovercraft will slide to the left.
D. The hovercraft will not move.
Part B
Select the best explanation of your answer in Part A.
A. The push force from the air in the balloon does work on the table to change the shape of the hovercraft.
B. The push force from the air in the balloon does work on the hovercraft to change the movement of the hovercraft.
C. The pull force from the air in the balloon does work on the table to change the movement of the hovercraft.
D. The pull force from the air in the balloon does work on the hovercraft to change its shape.
Part A
A. The hovercraft will lift off of the table.
Part B
B. The push force from the air in the balloon does work on the hovercraft to change the movement of the hovercraft.
400
A. change the angle of the pans
B. add more sand to each pan
C. use different amounts of water
D. test each design several times
D. test each design several times
400
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?
A. A graduated cylinder to measure the volume of each sphere before the sphere is launched
B. A beaker to collect the spheres after they are launched
C. A stopwatch to measure how long it takes to load each sphere on the spring
D. A meterstick to measure the height each sphere reaches after the sphere is launched
D. A meterstick to measure the height each sphere reaches after the sphere is launched