Fast and Slow Changes to Earth

Front

What causes magma to escape from Earth's interior?

Back

Pressure and heat cause the magma to move up to the surface through weak spots.

Front

What type of change does a landslide cause to the Earth?

Back

A landslide causes a rapid (fast) change.

Front

What is the difference between weathering and erosion?

Back

Weathering breaks down rocks, and erosion moves weathered pieces of rock or sediment away.

Front

What is the main cause of earthquakes?

Back

Pressure from within the Earth's crust.

Front

Why do volcanoes often cause landslides?

Back

The sides of volcanoes can be steep, and when it erupts, the sides are weakened and can collapse.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces.

Front

What is erosion?

Back

Erosion is the movement of weathered rock or sediment from one place to another.

Front

What are the two types of changes to the Earth?

Back

Fast changes and slow changes.

Front

Can you name a fast change to the Earth?

Back

An example of a fast change is a volcanic eruption.

Front

Can you name a slow change to the Earth?

Back

An example of a slow change is the gradual wearing away of rocks by weathering.