Earth's Layers
Plate Tectonics
Plate Boundaries
Earthquakes and Volcanoes
Weathering and Erosion
100

This is the outer layer of the Earth.  It is the thinnest layer.

What is the crust?

100
Earth's ________energy causes movement of the Earth's plates.

What is thermal?

100

When two plates move together it forms a _______ boundary.

What is convergent?

100

When plates slide past each other it creates pressure.  When this pressure releases it causes the ground to shake which causes an ____________.

What is an earthquake?

100

The breaking down of rocks into smaller pieces is known as __________.

What is weathering?

200

The thickest major layer of the Earth.

What is the mantle?

200

The constant moving of the plates is called ________.

What is continental drift?

200

When two plates slip (or slide) past each other it forms a ___________ boundary.

What is transform?

200

A ________is an opening in the Earth's crust that allows magma to reach the surface.

What is a volcano?

200

When sediment, rocks, and soil are moved from one place to another it is called _________.

What is erosion?

300

This layer of the Earth is a solid ball or iron and nickel.

What is the inner core?

300

The parts where the plates touch are called ________.

What is boundaries or faults?

300

When two plates move away from each other or apart it forms a ________ boundary.

What is divergent?

300

Volcanoes can be found along _________ boundaries.

What is convergent or divergent?

300

When sediment, rocks, and soil are dropped off in a new place it is called _____________.

What is deposition?

400

This layer is made up of liquid rock, mostly iron and nickel.

What is the outer core?

400

Plates float on top of the Earth's ________.

What is the crust?

400

At a transform boundary __________ usually occur.

What are earthquakes?

400

The center point of an earthquake on the Earth's surface is called the ________.

What is the epicenter?

400

Weathering can be caused by ________, _______, and plant growth.

What are wind and water?

500

As the depth beneath the crust increases the pressure ___________ and the temperature ___________.

What is increases and increases?

500

When all of the continents were once connected, scientists called the land mass ________.

What is Pangea?

500

At plate boundaries in the ocean trenches or ________ can occur.

What are mid ocean ridges?

500

The area on Earth where there are many volcanoes all around the Pacific Ocean is known as the _________.

What is the Ring of Fire?

500

Humans can also change the Earth's surface through _______ and _________.

What is mining and construction?

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