Convection

Convection is heat transfer through a ___________.

• Liquid

• Fluid

• Gas

• Solidli

Answer explanation

Liquid AND Gas are technically correct - but they are both examples of FLUIDS, so that is the best answer!

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-3

The heat that makes convection happen in the mantle comes from the ____________ of the Earth.

Where is the mantle the hottest?

• The top, near the crust

• The bottom, near the core

• In the middle

How do molecules act when they get heated? Check all that apply.

• Speed up

• Slow down

• Spread out

• Come together

• Rise/go up

Answer explanation

Molecules get really excited when they heat up!

Tags

NGSS.MS-PS1-4

How do molecules act when they get cooled? Check all that apply.

• Speed up

• Slow down

• Spread out

• Come together

• Sink/go down

Answer explanation

Molecules get really lazy when they are cold!

Tags

NGSS.MS-PS1-4

Which has the MOST energy?

• Hot molecules

• Cold molecules

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4