L4 What Makes the Plates Move?

When rocks are heated, the hot rocks become _____ dense.

• extremely
• more

• less

• equally

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Hot rocks rise to the __________.

• moon

• outer core

• inner core

• surface

Tags

NGSS.MS-ESS2-1

The hotter region spreads out and moves _____ .

• horizontally

• diagonally

• vertically

• due to radiation

Tags

NGSS.MS-ESS2-6

Earth’s plates move when the hot material in the _____ moves.

• outer core

• solid mantle

• liquid mantle

• ocean

Tags

NGSS.MS-ESS2-3

In the mantle rocks of the Earth, the deformation occurs:

• instantly.

• in days.

• in about a year.

• over extremely long time periods.

Tags

NGSS.HS-ESS2-3

The rocks are very hot, but they are not melted--instead they remain as solids but can _____ over time.

• rapidly circulate

• become gas
• slowly flow

• solidify further

Tags

NGSS.MS-PS1-4

Plates rest on the mantle that is a hot, _____ rock layer.

• softer

• liquid
• icy
• brittle

Earth’s plates _____ on the moving mantle rock.

• evaporate

• ride

• melt

• crumble

Tags

NGSS.MS-ESS2-3

The cycling of hot and cold material is _____ .

• conduction

• radiation

• convection

• evaporation

Tags

NGSS.MS-PS1-4

In the mantle colder material sinks because it is _____ .

• denser

• liquid

• gas

• less dense