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Terms
100

The center of the Earth that is composed mostly of nickel and iron.

core

100

This is the solid layer of the Earth below the crust.

Mantle

100

The hardest layer of the Earth.

 crust

100
These are the two layers of the earth that are solid.
What are the mantle and the crust?
100
These are created by Earthquakes.
What is a seismic wave?
200

It is the only fully liquid part of the Earth's interior.

outer core

200

Metals found in earth's core

iron & nickel

200

These are what the crust is made of.

 tectonic plates

200
These are the two layers of the earth that have some liquid in them.
What are the mantle and the core?
200
This is the softer layer of the mantle
What is asthenosphere?
300

It is the most dense part of the Earth.

inner core

300
The hard layer of the mantle that the tectonic plates sit on top of.
What is the lithosphere?
300

This is made of mostly of basalt.

ocean floor

300
No other layer is made of liquid like this layer is.
What is he outer core?
300
This is the harder layer of the mantle.
What is Lithosphere?
400

This is what causes the Earth to have a magnetic field.

 Outer core moving

400
It is 1% of the earth's layer.

Crust

400

Granite is what these are mostly made of.

continents

400
All layers of the Earth contain this substance.
What is Iron or Nickel?
400
The outer layer of the core.
What is the outer core?
500

The pressure of gravity and layers on top of it.

Earth's core to be so dense

500

Geo means

Earth

500

This is the deepest someone has dug into the Earth?

12 kilometers

500
These are the two layers of the Earth we have not directly explored.
What are the mantle and the core?
500
The force pushing on a surface or area.
What is pressure?