4th Grade Weathering, Erosion, and Deposition

Front

What is erosion?

Back

The movement of sediments from one location to another.

Front

What causes rocks to become smooth?

Back

Rocks bumping and scraping against each other in a river.

Front

How does sand change the shape of rocks?

Back

Sand blowing in the wind.

Front

How do grasses on the beach prevent erosion?

Back

The roots prevent sand from washing away.

Front

What are broken up pieces of rock called?

Back

Sediments.

Front

What is weathering?

Back

The breaking down of rocks into smaller pieces.

Front

What is deposition?

Back

The dropping off of sediments in a new location.

Front

How does water contribute to erosion?

Back

Water can carry sediments away from one place to another.

Front

What role do glaciers play in erosion?

Back

Glaciers scrape and move rocks, causing erosion.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breaking down of rocks, while erosion is the movement of those sediments.