Front

What type of crust forms the continents?

Back

Continental crust is the type of crust that forms the continents.

Front

What is the composition of oceanic crust?

Back

The oceanic crust is primarily composed of basalt.

Front

How do geologists study the interior of the Earth?

Back

Geologists study the interior of the Earth through direct evidence from rock samples and indirect evidence from seismic waves.

Front

What happens to the temperature of the Earth as you go deeper?

Back

The temperature of the Earth increases as you go deeper.

Front

What is the portion of the hydrosphere that is frozen called?

Back

The frozen portion of the hydrosphere, including all ice and snow, is called the Cryosphere.

Front

What is the outermost layer of the Earth called?

Back

The outermost layer of the Earth is called the crust.

Front

What is the layer beneath the crust called?

Back

The layer beneath the crust is called the mantle.

Front

What is the core of the Earth primarily made of?

Back

The core of the Earth is primarily made of iron and nickel.

Front

What is the difference between oceanic crust and continental crust?

Back

Oceanic crust is thinner and denser than continental crust, which is thicker and less dense.

Front

What is seismic wave?

Back

Seismic waves are waves of energy that travel through the Earth, often caused by earthquakes.