weathering

1. the breakdown or disintegration of rock in its original place at or close the ground surface (10)
4. the type of feedback system that develops if the rate of debris removal exceeds the rate of weathering and mass movement (8)
5. weathering processes are usually (4)
9. energy transfer from the sun is in the form of (5, 9)
10. the processes happening at the earth's surface (3, 6)

2. a form of mechanical erosion that involves frequent freezing and melting (6, 4)
3. the type of weathering that happens when there is a chemical reaction, changing minerals into different forms (8)
4. a form of mechanical weathering that involves the loss of pressure (8, 7)
6. a form of chemical weathering that causes cliffs to turn rust coloured (9)
7. the type of weathering that happens when rock is disintegrated by plants, animals and microbes (10)

Get Revising