Convection Currents on Earth

What is the heat source for convection in the mantle?

• the Crust
• the Mantle
• the Core

Tags

NGSS.MS-ESS2-1

When molten  material is heated in the mantle it becomes

• more dense
• less dense 

Tags

NGSS.MS-PS1-4

When molten  material is cooled in the mantle it becomes

• more dense
• less dense 

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When molten  material is heated in the mantle the molecules

• expand (spread out)
• condense (shrink together) 
• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

When molten  material is cooled in the mantle the molecules

• expand (spread out)
• condense (shrink together) 
• stay the same

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How does heat move?

• from a warmer to a cooler object

• from a cooler to a warmer object

• toward a hot object

• away from a cold object

Tags

NGSS.HS-PS3-4

Which of the following is one reason Earth's tectonic plates to move?

• energy from the Sun

• magnetic Pole Reversal

• convection currents in the mantle

• faults in Mountain Ranges

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

Name the type of heat transfer shown in the picture.

• convection

• conduction

• radiation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which picture shows material that is more dense?

• The picture of the left

• The picture on the right

Can convection currents occur in a solid?

• No.

  just in a liquid and gas.

• Yes.

  In a solid, liquid, and gas.