Layers of the Earth
Plates
Earthquakes
Landforms
Landforms 2
100
The outer core
What is the third layer of the Earth?
100

This is formed when two plates collide.

What is a mountain?

100
The cracking or breaking of earth's crust.
What is an earthquake?
100
Underground magma shoots out of this landform.
What is a volcano.
100

The smallest continent

What is Australia?

200
The mantle
Which layer is made of mostly molten rock?
200
A fault
What is the area where two plates meet called?
200
This landform forms when two pieces of crust break apart.
What is a valley?
200
A landform that is a big ditch and usually has water running through it.
What is a canyon?
200

The largest continent

What is Asia?

300
Solid iron
What is the inner core made of?
300
The crust and part of the mantle.
What are the two layers that make up a plate?
300
Waves of energy caused by an earthquake
What is a seismic wave?
300
A natural process that causes very quick erosion.
What is a landslide.
300

 a region of land that is very dry because it receives low amounts of precipitation (usually in the form of rain, but it may be snow, mist or fog), often has little coverage by plants, and in which streams dry up unless they are supplied by water from outside the area.

What is a desert?

400
The crust beneath the ocean floor
What is the oceanic crust?
400

Plate tectonics

Movement and interaction of the Earth's plates.

400
Describes the magnitude of an earthquake.
What is the Richter scale?
400
The breaking down of rocks and soil into smaller pieces.
What is weathering?
400

A giant wave caused by an earthquake on the ocean floor.

What is a tsunami.

500

crust

The thinnest layer of the Earth

500

A giant wave caused by an earthquake on the ocean floor.

What is a tsunami?

500
A seismic wave that can travel through solids, but not liquids or gases.
What is an S-wave?
500
The wearing away of rocks and soil.
What is erosion?
500

A large natural stream of water flowing in a channel to the sea, a lake, or another river.

What is a river?

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