5.P.1.1

1. A pencil falls off of a desk. What moves the pencil toward the floor?

• A. mass

• B. friction

• C. gravity

• D. speed

Tags

NGSS.5-PS2-1

Students set up the investigation shown.

What can the students do to increase the speed that the marble will roll down the ramp?

• A. add a layer of carpet to board

• B. lower the height of the board

• C. use a longer board for the ramp

• D. replace the board with a smoother board

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

In a science lab, students measured how long it took for a block to slide down a ramp. What were the students comparing in this experiment?

• A. the amount of frictional force acting on the block

• B. the amount of gravitational force acting on the block

• C. the amount of frictional force acting on the ramp

• D. the amount of gravitational force acting on the ramp

Tags

NGSS.MS-PS2-2

4. Which will most likely stop an object in motion?

• A. mass

• B. force

• C. acceleration

Tags

NGSS.MS-PS2-2

5. How does friction affect speed?

• A. more friction decreases speed

• B. more friction increases speed

• C. less friction decreases speed

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

6. Gravity on Earth is caused by

• A. the mass of Earth.

• B. the rotation of Earth.

• C. the revolution of Earth.

• D. weather patterns on Earth.

Tags

NGSS.MS-PS2-4

7. A student compares the amount of force used by his classmates to push a toy car down a ramp.

What would be the best way to compare this force?

• A. Measure the distance each time the car comes to a stop.

• B. Measure the amount of time it takes the car to travel down the ramp.

• C. Measure the distance the car travels with each push.

• D. Measure the amount of time it takes for the car to come to a stop

Tags

NGSS.MS-PS2-2

8. When two objects are dropped from the same height, they will land at

the same time. Which best explains why this happens?

• A. mass

• B. friction

• C. gravity

Tags

NGSS.MS-PS2-4

9. Which best describes the force of gravity?

• A. a pulling force

• B. a pushing force

• C. a change in mass

• D. a change in speed

Tags

NGSS.MS-PS2-4

10. A push or a pull on an object is an example of

• A. force.

• B. weight.

• C. energy.

• D. work.

Tags

NGSS.MS-PS2-2