Exploring Earth's Layers Flashcard

Front

What is the innermost layer of the Earth called?

Back

Inner Core

Front

Which layer of the Earth is primarily composed of liquid iron and nickel?

Back

Outer Core

Front

Which layer of the Earth is the thinnest?

Back

Crust

Front

Explain why the inner core is solid while the outer core is liquid.

Back

The inner core is under more pressure.

Front

Describe the relationship between the crust and the mantle.

Back

The crust is above the mantle and is part of the lithosphere.

Front

How does the temperature change as you move from the crust to the inner core?

Back

It increases.

Front

Identify the layer of the Earth that is semi-solid and allows tectonic plates to move.

Back

Mantle

Front

Compare the composition of the inner core and the outer core.

Back

The inner core is solid, and the outer core is liquid, both made of iron and nickel.

Front

What is the primary reason for the high temperatures in the Earth's core?

Back

Radioactive decay

Front

Which layer of the Earth is the hottest?

Back

Inner Core