Layers of the Earth

Front

How many layers does Earth have?

Back

4

Front

What is the thinnest layer?

Back

Crust

Front

What is the hottest layer?

Back

Inner Core

Front

Convection currents

Back

the cycle of heated rock or metal rising, and cooling rock or metal falling.

Tags

NGSS.MS-ESS2-1

Front

How do we know so much about the center of the Earth if we can't travel there?

Back

Seismic waves, made by earthquakes and man-made explosions

Tags

NGSS.HS-ESS2-3

Front

Which layer is shown in red?

crust

,

mantle

,

outer core

,

inner core

Back

inner core

Front

Which layer is shown in orange?
Options: crust, mantle, outer core, inner core

Back

outer core

Front

Which layer is made of "flowing" solid rock (think clay or pudding)?

Back

mantle

Front

Tectonic plates are made up of continental crust and ________ crust.

Back

oceanic

Front

Why is the inner core solid?

Back

the pressure