Earth's Layers
Earth's Moving Crust
Earthquakes
Valcanoes
100
How many layers does earth have?
4 Layers.
100
When a earthquake happens near the ocean this could be caused.
A tsunami.
100
When a volcano is not active the volcano is what?
Dormant.
200
Where are the asthenosphere and lithosphere located?
The lithosphere is below the crust and the asthenosphere is below the lithosphere.
200
Earth is broken into pieces called what.
Tectonic plates.
200
List the earthquake waves.
Primary wave, Secondary wave, and Surface wave.
300
Name the layers of the earth.
Crust, mantle, outer core, inner core.
300
Explain seafloor spreading.
Lava erupts at a spreading center creating new oceanic crust.
400
Explain what continental and oceanic crust is composed of.
Continental crust: Granite, Sedimentary, and Metamorphic rock.

Oceanic crust: Basalt.

400
LIst and describe the faults.
Normal fault: When the foot wall goes above the hanging wall.

Reverse fault: when the foot wall goes below the footwall.

Strike slip fault: when the foot wall and the hanging wall rub together.

500
List the types of plate boundaries and describe what they do.
Divergent boundary: where plates move apart.

Convergent boundary: where they come together.

Transform boundary: where they move past each other.

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