Unit 3 Test Review

A student wants to see how the size of an iron ball is affected by gravity. Which of the following would have to remain the same for the experiment to be successful?

• mass and volume

• Material used and shaped of object

• Volume and material used

A student wanted to see how his toy car would roll on different types of flooring. He decided to roll the car on a tile floor, a wood floor, and a carpeted floor. His experiment was designed to test the effects of which of the following forces?

• gravity

• gravity and magnetism

• magnetism and friction

• friction

A teacher attaches picture to the dry-erase board using tape. The next day, one of the pictures was found on the ground. Which force acted upon the picture, causing ti to fall?

• friction

• magnetism

• gravity

• evaporation

A push or pull that can change the position or motion of an object/material is ______

• pull

• motion

• magnetism

• force

A force that acts in an opposite directions to movement is _____

• force

• friction

• gravity

• magnetism

The act of applying force in order to move something away is

• pull

• push

• motion

• friction

A student sets up an experiment using the ramp below to test how far a car would travel after leaving a ramp. What force is responsible for causing the car to stop?

• gravity

• magnetism

• pushing the car

• friction

A force of attraction that causes magnetic material to move is

• force

• friction

• motion

• magnetism

Which force most likely causes the skateboarder to skate down the halfpipe ramp over and over again?

• magnetism

• gravity

• friction

• pushing

A worker is constructing playground equipment for the park and dropped a box of nails and bolts. How will a magnet be helpful to the builder?

• gravity will cause the magnet to pick up the nails and bolts

• The magnet will pull the nails and bolts toward it

• the magnet will push the nails and bolts away from it