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Rocks and soils

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1. Which of the following rocks is permeable?

Slate

Marble

Chalk

2. Which rock splits easily into thin sheets?

Marble

Slate

Granite

3. Which is the only rock that floats?

Pumice

Slate

Granite

4. What would be a good rock to tile a roof with?

Chalk

Slate

Pumice

5. Chalk is used to write on blackboards because ...

it wears away easily

it's permeable

it doesn't float

6. Granite is often used for steps because ...

it's permeable

it doesn't wear away easily

it doesn't float

7. Marble is often used for statues or grand buildings because ...

it has attractive textures and colours

it splits easily into thin sheets

it wears away easily

8. Which rock is the solidified lava froth from a volcano?

Marble

Sandstone

Pumice

9. What could be a problem with a monument made from chalk?

It wouldn't float

It couldn't be shaped

It could crumble over time

10. Flint and sandstone are two rocks. Sandstone can be scratched with a steel nail. Flint cannot. Which is the harder rock?

Flint

Sandstone

It's impossible to tell

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