Force and Energy Review

A magnet will pick up a nail, but not a penny because the nail

• has rust on it.
• is lighter than the penny.
• has a sharp point.
• contains iron.

Tags

NGSS.MS-PS2-3

When a magnet attracts an object, it pulls the object closer.

• True

• False

Which is the invisible force that pulls objects to the ground?

• matter

• gravity

• weight

• magnets

Tags

NGSS.MS-PS2-4

When things are dropped, how does gravity affect them?

• Gravity pushed them away.

• Gravity pushed them sideways.

• Gravity pulls them down.

Which two types of enery are produced by the boy in the picture?

• Mechanical and Sound

• Sound and Light

• Thermal and Electric

• Thermal and Sound

If you had your back to the boy, how would you know that he was playing the drums?

• You could feel heat energy when he plays.

• You could hear sound energy when he plays.

• You could see mechanical energy when he plays.

• You could see light energy when he plays.

Pushing an object is an example of

• sound energy

• light energy

• mechanical energy

• thermal energy

An object moves in the _________ direction a force is applied.

• SAME

• OPPOSITE

Tags

NGSS.MS-PS2-1

When you touch something hot, it is giving off

• sound energy

• mechanical energy

• thermal energy

• light energy

Which of the following are being affected by gravity?

• A paper airplane lands on the ground.

• A pencil rolls off a desk and falls to the floor.

• A student lets go of the monkey bars and lands on the ground.

• All of the above.