Slow and Fast Changes

Front

Water and wind can break rock into small pieces. What are these small pieces called?

Back

sediment

Front

What is the process of MOVING weathered materials?

Back

erosion

Front

Fast changes to the Earth happen in...

Back

hours or days

Front

Slow changes to the Earth happen in...

Back

thousands of years.

Front

The formation of the Grand Canyon was a _______.

Back

slow process

Front

Sometimes there is a lot of rainfall.  Lots of water causes rivers and streams to overflow.  This is called _______________.

Back

a flood

Front

What process is slowly changing the Earth's surface in the picture?

Back

weathering and erosion

Front

This happens when rocks and soil slide down a hill or cliff suddenly.

Back

Landslide

Front

An earthquake changes the land______________.

Back

quickly

Front

Sediment blowing in the wind can..

Back

Smooth rock AND change its shape.