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 floats

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?
Granite
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 hardest rock?
Flint
Sandstone
It's impossible to tell