The inner most layer of the Earth's interior. This part is dense and composed mostly of solid iron
lies directly above the inner core and is thought to be composed mostly of molten metal
The layer above the outer core. This is the largest layer of the Earth's interior. It is similar to putty
Earth's outer most layer and is very thin
The rigid upper part of the Earth's mantle and crust. It is broken into 30 plates that move around
Large fractures (cracks) in rocks along which movement occurs.
When one plate sinks another plate and sinks into the mantle.
Mountains that form from pulling forces and are made of huge tilted blocks of rock
Mountains formed by the folding o f rocks layers caused by compressive forces
Mountain that is formed when forces inside the Earth push up the crust
A mountain that is formed over time when layer upon layer of lava builds up
A principle that states that the Earth's crust and lithosphere float on top of the mantle.
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 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.