Page 28 - 新思维科学学生用书2 样章

1.4 Rocks and the environment

Continued

All about limestone

Size of bits in the rock We use it to ...

I can see some small bits make walls
Hard or soft?

It is hard

Think like a scientist 2

Does this rock absorb water?

You will need:

a spoon, water, rock samples, magnifying glass

Tom and Mumtaz are testing rocks to see if they absorb water.

They drip water onto the rock and observe what happens.

I think the chalk is Yes, the water goes

absorbing the water. into the chalk.

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