1. http://www.youtube.com/watch?v=qGZa1n-9e6o

2. Weathering is the process of breaking down rocks There are two kinds of weathering: Chemical weathering –results when water dissolves some of the chemicals in rocks, causing them to disintegrate Physical weathering – breaks rocks into large pieces http://www.youtube.com/watch?v=G5Rp9MJJGCU

3. Erosion is a force that changes the surface of the Earth by wearing away the Earth’s surface Wind erosion involves the movement of soil, dust, and sand Water erosion begins when rainwater flows off the land downhill in streams http://www.youtu be.com/watch?v= _SlcrcYstc4

8.  Type of erosion  Slow moving, but still wears away the land as it moves. http://www.youtube.com /watch?v=L3dI2e8v6YI