Tectonic Plates
How do continents move?
Rising magma forms along seams between Earth's surface.
What are Earth's layers in order?
Crust, Mantle, Outer Core, and Inner Core.
What is weathering?
A process that breaks down rocks into tiny pieces.
What's the string of volcanoes and earthquake belts called?
"Ring of Fire"
What is the pangea theory?
All the continents were once connected.
Huge blocks of Earth's crust are called __________.
Tectonic Plates
Which layer of Earth contains all of it's land forms?
Crust
What is erosion?
The removal of small pieces of rock by water, ice, or wind.
The sphere of very hot metal at the center of the Earth is called ____________.
Core
Who discovered the pangea theory?
Alfred Wagner
How do Earth's layers interact with Earth?
They cause earthquakes, volcanoes, and mudslides
What are 3 things that cause weathering?
Water, ice, and living things.
How much of the Earth is water?
71%
What are Earth's 3 main layers?
Crust, mantle, and core.
What's the difference between weathering and erosion?
Erosion: The removal of small pieces of rock by water, ice, or wind. Weathering: A process that breaks down rock into tiny pieces.
How much of the Earth is water?
29%
What is the hottest layer of Earth?
Inner Core