U3 REVIEW

Front

What is the hottest layer of the Earth?

Back

The inner core is the hottest layer of the Earth.

Front

What is the coolest layer of the Earth?

Back

The crust is the coolest layer of the Earth.

Front

What state of matter is the outer core?

Back

The outer core is in a liquid state.

Front

Which layer of the Earth is described as solid?

Back

The crust and inner core are solid layers of the Earth.

Front

What are convection currents?

Back

Convection currents are movements of fluid caused by differences in temperature and density.

Front

In which layer of the Earth do convection currents occur?

Back

Convection currents occur in the mantle.

Front

What is the composition of the inner core?

Back

The inner core is primarily composed of iron and nickel.

Front

What is the mantle made of?

Back

The mantle is made of semi-solid rock that flows slowly.

Front

How does temperature change as you go deeper into the Earth?

Back

Temperature increases as you go deeper into the Earth.

Front

What is the outer core responsible for?

Back

The outer core is responsible for generating Earth's magnetic field.