Question

What are the major causes of mechanical weathering ?

Answer 1

What does "mechanical weathering" mean? How would you define it?

Answer 2

Right, so what do you know of that breaks down rocks but does NOT change their chemical composition?

Answer 3

Mechanical Weathering

Answer 4

:) No, mechanical weathering is the "process", just as pounding is the process of striking something, but you could say that a hammer is used for pounding.

Answer 5

So what about the beach? What do you suppose causes the sand, where do you think that sand comes from?

Answer 6

Sediments

Answer 7

You could have also said sea shells, as there is a little bit of each of those in the sand. However, the main component of sand is crushed rock.

Answer 8

What crushes those rocks to make the beach?

Answer 9

sedimentary rocks

Answer 10

No. A sedimentary rock is just that, a rock. While it is comprised of compressed sediment, it does not produce sand.

Answer 11

Try this: http://www.kidsgeo.com/geology-for-kids/0066-mechanical-weathering.php

Answer 12

Rain.