Science: Ch 7 Force

Magnetism is the pushing or pulling force caused by a magnet.

• true

• false

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Gravity is a force that slows or stops motion.

• true

• false

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NGSS.5-PS2-1

The force that pulls objects toward the center of the earth is called friction.

• true

• false

A change of position is called ___.

• motion

• gravity

One kind of invisible force is ___

• gravity

• work

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Objects cannot move unless a ___ causes them to move.

• work

• force

Tags

NGSS.MS-PS2-2

When a force moves something, we say that ___ is done.

• gravity

• work

Tags

NGSS.MS-PS3-5

Simple machines make work ___.

• harder

• easier

Energy can ___ from one form to another.

• work

• change

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

A tractor plowed the field. What is doing the work?

• animal

• machine

• people

• water