Page 26 - 新思维科学学生用书2 样章

1.4 Rocks and the environment

Properties of rocks

Rocks can be strong Rocks can be soft

(for example, granite). (for example, white chalk).

Rocks can be made into shapes Rocks can be waterproof

(for example, marble). (for example, slate).

Most rocks do not burn, but coal is a rock that burns.

Question

3 Why do we find these different properties of rocks useful?

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