Unit C :Earth's Structure and Volcanoes

Front

What are the 4 layers of the Earth?

Back

The 4 layers of the Earth are: crust, mantle, outer core, inner core.

Front

What layer of the Earth includes land and the ocean floor?

Back

The crust includes land and the ocean floor.

Front

What is the point on Earth's surface right above the focus of an earthquake called?

Back

The point is called the epicenter.

Front

What is a large basin formed at the top of a volcano when it falls in on itself?

Back

This is called a crater.

Front

Which layer of the Earth is made of solid and melted rock and is the thickest?

Back

The mantle is made of solid and melted rock and is the thickest layer.

Front

What is the innermost layer of the Earth called?

Back

The innermost layer is called the inner core.

Front

What is the outer layer of the Earth that we live on?

Back

The outer layer is called the crust.

Front

What is magma called when it erupts from a volcano?

Back

When magma erupts from a volcano, it is called lava.

Front

What is the layer of the Earth that is liquid and surrounds the inner core?

Back

The layer that is liquid and surrounds the inner core is called the outer core.

Front

What do we call the movement of tectonic plates?

Back

The movement of tectonic plates is called plate tectonics.