Slow Changes on Earth Ch 4 Science

Rocks break down without changing rock material during

Acid rain can cause chemical weathering to a statue

Weathered rock is carried away during the process of

Rocks break down when their minerals are changed during

A thick sheet of ice that slowly creeps over parts of Earth

Weathered rock is dropped off by wind or water during the process of

Sediments dropped at the mouth of a river form an area of land called

A glacier widens and deepens a valley into a U Shape.

When rivers reach flat land, they slow 

A river may carve a deep, narrow valley called a

What can help protect the coastline from erosion?

Wind can blow sand into a hill called a 

A natural feature on Earth's surface..

Erosion is caused mostly from

How are physical and chemical weathering alike?

Freezing, thawing, plants, winds and acids all cause

Abrasion causes the outer layers of rock  to peel off like the layers of an onion.