Forces - Gravity, Magnetism, and Friction

What is gravity?

• Gas

• A force

• A mass

• The atmosphere

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

What would happen if there was no gravity?

• Everything would float

• Everything would be the same

• Nothing would change

• Everything would sink

The mass of an object is one of the effects on the pull of gravity

• True

• False

Tags

NGSS.MS-PS2-4

Which has a STRONGER force of gravity, Earth or the Moon?

• Earth
• Moon

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Where can you jump higher, on Earth or on the Moon?

• Earth
• Moon

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which of these best describes friction?

• A rubbing force.

• Something that is slippery.

• Gravity.

• Movement across a smooth surface.

What does friction produce?

• light
• sound
• heat
• gravity

Tags

NGSS.MS-PS1-4

The rougher the surface, the faster an object will travel over the surface.

• True
• False

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

Rougher surfaces have ...

• greater friction
• less friction
• the same level of friction