Energy & Friction

How does friction affect speed?

• more friction decreases speed
• more friction increases speed
• less friction decreases speed

Tags

NGSS.3-PS2-1

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

• True
• False

Tags

NGSS.4-PS3-1

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

• similar
• opposite
• parallel
• west

Tags

NGSS.3-PS2-1

What does friction produce?

• light
• sound
• heat
• gravity

Tags

NGSS.4-PS3-2

At which point is stored energy greatest?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

NGSS.MS-PS3-3

When you eat fruits and vegetables, chemical bonds are releasing stored energy, this is...

• a. thermal energy

• b. sound energy

• c. electrical energy

• d. chemical energy

Tags

NGSS.MS-LS1-7

The ability to do work

• A. chemical energy

• B. Friction

• C. electrical energy

• D. Energy

Tags

NGSS.MS-PS3-5

Where is the stored energy the greatest?

• A

• B

• C

• D

Tags

NGSS.MS-PS3-2

To make things move, you need a −

• force.
• strong magnet.
• metal object.
• helper.

Tags

NGSS.MS-PS2-2