Rocks and Soil Mid Term

Igneous rocks are formed when...

• Rocks change under heat and pressure.

• Magma or lava cools and hardens.

• Layers of sediment harden under pressure.

Sedimentary rocks are formed when...

• Rocks change under heat and pressure.

• Magma or lava cools and hardens.

• Layers of sediment harden under pressure.

Metamorphic rocks are formed when...

• Rocks change under heat and pressure.

• Magma or lava cools and hardens.

• Layers of sediment harden under pressure.

Which type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

Which type of rock is this?

• Sedimentary

• Metamorphic

• Igneous

What is sediment?

• Large chunks or rock.

• Rocks that are wet.

• Small pieces of rock that settle at the bottom of water.

• The king of rocks.

Click the true statement about chalk.

• Chalk is very hard.

• Chalk is soft.

• Chalk is naturally lots of different colours.

• Chalk is a metal.

What is non-permeable?

• Not easy to break.

• See through.

• Cannot be eaten.

• Doesn't allow water to get through.

What is humus

• A dip for carrot sticks.

• The dark brown part of soil that is made by rotting leaves and animals.

• The rocks in soil.

• The scientific name for worms.

Why is soil with clay in not very good for growing most plants in?

• It is the wrong colour.

• The plants get bored.

• The rocks are too big.

• The water doesn't drain well.