The Rock Cycle Quiz

What is the rock cycle?

• A process where rocks are formed and destroyed

• A process where rocks never change

• A process where rocks are recycled over millions of years

• A process where rocks are only formed from lava

Which of the following is NOT a type of rock?

• Igneous

• Volcanic

• Metamorphic

• Sedimentary

How are sedimentary rocks formed?

• By cooling of molten rock

• By compression and cementation of layers

• By heating and pressure

• By volcanic eruptions

What causes metamorphic rocks to form?

• Heat and pressure

• Deposition in water

• Erosion by wind

• Cooling of lava

What is biological weathering?

• Rocks breaking due to plant roots

• Rocks breaking due to acid rain

• Rocks breaking due to freezing water

• Rocks breaking due to wind

What is the first stage in the erosion process?

• Deposition

• Sedimentation

• Cementation

• Sediment transport

What did James Hutton conclude about the Earth?

• It is only a few thousand years old

• It has always been in a steady state

• It is very old with no beginning or end

• It is younger than humans

What is the role of rivers in forming sedimentary rocks?

• They heat the rocks

• They transport small rock pieces

• They compress the rocks

• They melt the rocks

What is chemical weathering?

• Rocks breaking due to animal activity

• Rocks breaking due to chemical reactions

• Rocks breaking due to temperature changes

• Rocks breaking due to plant roots

What did Charles Lyell discover about human fossils?

• They are not found in older rock layers

• They are found in older rock layers

• They are found in all rock layers

• They are found in igneous rocks