Chapter 9: Weather, Erosion, Earthquakes, and Volcanoes

Front

the outer surface layer of Earth

Back

Earth's crust

Front

Mountains, plains, and valleys are all examples of:

Back

landforms

Front

Do Earth's landforms ever change?

Back

Yes

Front

Rocks are slowly broken down into smaller pieces

Back

Weathering

Front

When ONLY the size of the rocks is changed it is called:

Back

Physical weathering

Front

Water, ice, and living things are all examples of things that cause:

Back

physical weathering

Front

When water freezes into ice it does what?

Back

Expands (gets bigger)

Front

The moving of weathered pieces of rock is called:

Back

erosion

Front

Name two things that cause erosion

Back

Water, wind, gravity, or ice

Front

The laying down of pieces of Earth's surface

Back

Deposition