Weathering and Erosion

  When liquid water gets into the cracks of rocks and freezes, the rock can _______________ because the water will _______________ when it freezes.

• break, expand

• move, wind

• weathering, moving

When rocks are broken down into small pieces, we call this __________________.

• erosion

• weathering

________________ and _________________ can both cause weathering and erosion.

• glass, wood

• wind, water

• air, cotton

Erosion is the ______________ of weathered materials from one place to another.

• moving

• stopping

• breaking

What kind of erosion is this?

• wind

• ice

• water

What kind of erosion is this?

• wind

• ice

• water

What kind of erosion is this?

• wind

• ice

• water

Weathering and erosion change what the Earth’s land looks like. For example, it can change what mountains, beaches, cliffs, and canyons look like.

• True

• False

Weathering and erosion do the same thing to rocks.

• True

• False

Plants’ roots are strong enough to break rock.

• True

• False