Forces and Scientific Process Review

What is gravity?

• Energy that is in motion

• The ability to do work

• The force that pulls all objects with mass toward each other

• The direction things fall

Tags

NGSS.MS-PS2-4

The greater the mass of an object, the less its gravity.

• True

• False

Tags

NGSS.MS-PS2-4

The more distance between objects, the greater the gravitational pull is between them.

• True

• False

Tags

NGSS.HS-PS2-4

What is friction?

• The force that pulls all objects with mass toward each other

• The force that is created when things rub against each other

• The force that allows machines to be powered

• The amount of matter in an object

Which one is NOT an example of a push or pull force.

• Closing a door

• Moving a car that has stopped working

• Taking a walk

• Picking up a glass of water

Tags

NGSS.3-PS2-1

Friction is the force that acts in the ________ direction of the motion.

What does friction do?

• Creates water

• Stops a motion

• Starts a motion

• Creates heat

Magnetism is the way that magnetic materials have an attractive or repulsive force on each other.

• True

• False

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

Magnets have two kids of poles, what are the two poles called?

• East

• South

• West

• North

When the magnets are placed together, alike poles will ______ one another, ___________ poles will be attracted to one another.

• opposite, repel

• repel, opposite

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5