Rock types and weathering

Renewable resources are:

• regularly replaced by the Earth's natural processes.

• limited in supply, taking long periods to replace.

Tick the non-renewable resources:

• coal

• solar energy

• tidal energy

• oil

Igneous rocks are:

• formed under the sea by layers of sediment piling on top of each other.

• transformed by immense heat or pressure.

• formed from molten rock linked to volcanoes.

Metamorphic rocks are:

• transformed by immense heat or pressure.

• formed from layers of sediment piling up under the sea.

Marble is a metamorphic rock which forms from _.

• clay

• slate

• limestone

An example of a sedimentary rock is:

• obsidian

• limestone

• granite

What does porous mean?

• will allow liquid to pass through

• will erode easily

• is resistant to weathering

• will not allow liquid to pass through

Which of these images shows biological weathering?

• 
• 
• 

Name one use of slate.

• Making sculptures.

• Making roof tiles.

• Making bricks.

Chemical weathering occurs when rainwater, which is slightly _, comes into contact with rock.

• alkali

• acidic

• neutral