solid, innermost layer of Earth's interior that is the hottest part of earth and has the greatest amount of pressure
molten (melted) rock beneath the earth's surface
layer of Earth that lies above the inner core and is thought to be made up mostly of molten material
Earth's outermost layer that is thinnest under the oceans and thickest through the continents
rigid layer of earth made up of the crust and the upper part of the mantle
section of Earth's lithosphere that moves around slowly on the asthenosphere
large breaks in rock along which movement occurs
The process by which an oceanic tectonic plate sinks under another plate into Earth's mantle; when one plate sinks beneath another
The solid, plastic layer of the mantle beneath the lithosphere; made of mantle rock that flows very slowly, which allows tectonic plates to move on top of it
precipitation that is more acidic than normal because of air pollution
Please allow access to your computer’s microphone to use Voice Recording.
We can’t access your microphone!
Click the icon above to update your browser permissions above and try again
Reload the page to try again!
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Your microphone is muted
For help fixing this issue, see this FAQ.