Rocks

What is another name for a small rock?

• A stone

• A pebble

• A shell

• A pickle

Kyle wants to find out if his rock is permeable.

He pours water over the rock and water runs through it.

• We need to rub rocks together to find out.

• No, because water doesn’t run through.

• Yes, because water runs through it.

Marlon has a sandstone rock and a granite rock.

To find out which one is hardest, he rubs them together and pieces of the sandstone rock fall off.

Which rock is hardest?

• Both are equally hard

• Sandstone

• Granite

The properties of a rock describe . . .

• It's name

• It's colour

• How it looks or behaves

Hardness is a property of rocks. The harder the rock, . . .

• the more difficult it is for water to flow through it.

• the more easily water can flow through it.

• the more difficult it is to scratch.

• the easier it is to scratch.

Which property of slate make it a good material for tiling roofs?

• impermeability

• stretchiness

• permeabilty

Kitchen worktops need to be hard, strong, impermeable and smooth. Which rock would be best material to make a kitchen worktop from?

• granite

• sandstone

• shale

You can use chalk to write on different surfaces. Which property makes chalk a good material for writing?

• softness

• permeabilty

• strength

Durdle Door is a place in Dorset where the sea has worn a hole in the limestone rock. What property of limestone has allowed the water to wear it away?

• Strength

• Breaks away easily

• Permeable

Which material is used to make bricks?

• Sand

• Cement

• Clay

• Silt