Force and Motion Quiz

A ball is thrown up into the air. Which force causes the ball to fall to the ground?

• friction

• gravity

• magnetism

• electricity

A toy truck rolls over a smooth surface. If the surface is covered with sand, the truck will most likely roll

• slower

• faster

• at the same speed

The pulley and lever shown below use mechanical energy to move an object. The pulley and lever are examples of

• circuits

• magnets

• measurement tools

• simple machines

A student rubs his hands together to warm them. His hands get warm due to

• friction

• gravity

• magnetism

• sound

The diagram below shows a person rolling a barrel into the back of a truck. What simple machine is the person using to help roll the barrel?

• balance

• pulley

• lever

• inclined plane

A student drops a ball. Which force causes the ball to fall to the ground?

• electricity

• friction

• gravity

• magnetism

A student rubs her hands together on a cold winter day. The heat that warms her hands is produced by

• friction

• gravity

• light

• magnetism

What force causes objects to be pulled toward Earth?

• friction

• gravity

• light

• electricity

Fourth graders are planning a roller-skate race. Which surface would be the best for this race?

• gravel

• sand

• blacktop

• grass

A ball is tossed up in the air and it comes back down. The ball comes back down because of

• gravity

• friction

• erosion

• magnetism