Weathering and Erosion

What is the layer of soil on the surface?

The Statue of Liberty turning green is.....

Which is NOT an agent of erosion?

What layer of soil is the deepest below the surface?

Where does organic material for soil come from?

A climate with very cold temperatures will only have what kind of weathering?

When water freezes in cracks of rocks and expands, it is called....

When rocks are broken down and changed into another substance it is.....

A lab where you shake rocks for 1 minute is....

Soil is made from....

What do we call the breaking up of rocks on Earth's surface?

What climate would chemical weathering occur the fastest?

What is the most valuable resource on the Earth?

When rocks are broken into smaller pieces without changing composition, it is...

Which block has the greatest surface area?

An old mountain range would be...

What layer of soil is under the surface layer?

The young mountain range in the USA...

What can man do to slow down erosion of soil?

Acid rain is caused by...