Earth's Layers Flashcard

Front

Which layer of the Earth is the thinnest?

Back

Crust

Front

What is the primary composition of the Earth's crust?

Back

Solid rock

Front

Which layer of the Earth is directly below the crust?

Back

Mantle

Front

What is the approximate thickness of the Earth's crust under the oceans?

Back

5-10 km

Front

Which layer of the Earth is responsible for the planet's magnetic field?

Back

Outer core

Front

What is the state of matter of the inner core?

Back

Solid

Front

What causes the movement of tectonic plates?

Back

Convection currents in the mantle

Front

Which of the following is NOT a way scientists study the Earth's interior? Analyzing seismic waves, Studying volcanic eruptions, Drilling deep holes, Using X-ray vision

Back

Using X-ray vision

Front

Which of the following best describes the Earth's layers from outside to inside?

Back

Crust, mantle, outer core, inner core

Front

What causes earthquakes?

Back

Movement of tectonic plates