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Which of the following rocks is permeable?
Which rock splits easily into thin sheets?
Which is the only rock that floats?
What would be a good rock to tile a roof with?
Chalk is used to write on blackboards because ...
it wears away easily
it doesn't float
Granite is often used for steps because ...
it doesn't wear away easily
Marble is often used for statues or grand buildings because ...
it has attractive textures and colours
it splits easily into thin sheets
Which rock is the solidified lava froth from a volcano?
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
Flint and sandstone are two rocks. Sandstone can be scratched with a steel nail. Flint cannot. Which is the harder rock?
It's impossible to tell