The idea that continents slowly move across Earth's surface is the theory of ____________.

A landslide quickly erodes sediment on a steep hill. When the landslide reaches the bottom of the hill, it slows down and finally comes to rest. The sediments it leaves are called_________.

The process of wearing away rock is known as_________.

Earth is made of many layers. The layer at Earth's center is the _________________.

Weathering by wind, water, and ice produces____________.

An opening from which lava erupts is a(n)______________.

Deltas, canyons, and caves are all parts of Earth's __________.

Tectonic plates move over the partly melted layer of Earth called the ______________.

Motion of the ground is move severe at an earthquake's __________.

Why do earthquakes occur along faults?

A scientist is studying a volcano that is made of alternating layers of liquid lava and explosive materials such as ash. What type of volcano is it?

How did fossils help to prove that the continents were not always where we see them today?

A huge sheet of ice is a _________.

Rocks and sediment that glaciers leave behind are ________.

Weather in a place over a long period of time is _______.

The point where an earthquake begins is called_______.

The liquid rock below Earth's crust is called _________.

Molten rock that erupts from the volcano along with ash and hot gases is ______________.

What measures the magnitude of earthquakes on a scale from 1-10?

The theory that Earth's crust is divided into plates that are always moving is called ______.

What force causes landslides to occur?

What is used to record and predict earthquakes?

This picture shows what kind of earthquake?

The water in a fast-moving river causes rocks to bump and scrape against one another. What will happen to these rocks over time?

Running water often forms cave openings. What can you infer about the rock that is worn away by the water?

Which of the following events most likely contributes to gradual underground cave formation?

Certain land features form where plates meet. Which land feature forms where two continental plates move toward each other?

Earth is made up of many layers. Which layer is responsible for the movement of Earth's plates?

Which of the following is evidence that Antarctica was once warm?

The movement of wind, water, or ice may have the effect of leaving a solid material behind. Which of the following descriptions is an example of such a deposition?

Glossopteris is a fossil of which of the following?

What is the theory proposed by Alfred Wegener called?