Changes to Earths Surface

Changes to Earths Surface

Miss Morrow

Weathering

Is the breaking down of rock into smaller pieces.

Weathering is a SLOW process

Example of Weathering

Erosion

• Erosion happens when soil, rock or sand are moved

Weathering and Erosion Video

Glacier

Is a large thick sheet of moving ice.

A glacier can cause erosion!

Watch the video to find out

Multiple Choice

Weathering and erosion are the same thing.

• True

• False

Multiple Choice

What is an enormous mass of ice moving over land, causing weathering of rock and soil?

• A glacier

• An iceberg

• An ice wedge

• A sand dune

Multiple Choice

Which of these is an example of erosion?

• Light shining onto a mountain.

• Rain breaking down rocks on a mountain into smaller pieces.

• Wind blowing away sediment to a new place on the mountain.

• All of the above.

Multiple Choice

What is the process that picks up and moves weathered rocks?

• Erosion

• Landslide

• Weathering

Multiple Choice

The process that breaks down rocks and other materials on Earth's surface is called

• Weathering

• Erosion

Multiple Choice

How does freezing water cause the weathering of rocks? The freezing water—

• keeps the rocks in place.

• makes the rocks last longer.

• expands cracks and breaks rocks.

• causes rocks to fall in landslides.