The inner core of the planet is made of

The mantle has a _______ current made of _______.

The crust makes up the ground and

The theory of Continental Drift states that all of Earth's continents used to be

The name of the connected landmass on Earth is

Scientists have evidence that suggests that the Earth's crust is made of separate

This is a picture of Earth's continents from

Scientists believe that Earth's plates move because of

Volcanoes are actually mountains built around a ____ where magma shoots up from below the earth.

Underwater volcanoes can become ________ if they rise above sea level.

A break in the Earth's crust is called a

Near a sea or ocean, an earthquake could cause a

A _________ is a tool used by scientists to measure an earthquake.

Unfortunately, earthquakes cannot be ________ by scientists.

The top box is the

The middle box is the

The bottom box is the