Understanding the Rock Cycle

What is the main idea of the rock cycle?

• Rocks stay the same forever.

• Rocks are made of water.

• Rocks are only found in canyons.

• Rocks change over time through various processes.

Which type of rock is formed from cooled molten rock?

• Sandstone

• Igneous

• Metamorphic

• Sedimentary

What process involves breaking down rocks into smaller pieces?

• Compaction

• Cementation

• Weathering and erosion

• Melting

How do sedimentary rocks form?

• By compaction and cementation of sediments

• By melting

• Through heat and pressure

• By cooling of magma

What happens to rocks under heat and pressure?

• They break into sediments.

• They become igneous rocks.

• They transform into metamorphic rocks.

• They float on water.

Can rocks change back into the same type they were before?

• No, they become soil.

• Yes, but only igneous rocks.

• No, they change only once.

• Yes, through the rock cycle.

What is an example of a rock that can change through the rock cycle?

• Plastic

• Air

• Water

• Granite

What type of rock can sandstone become under heat and pressure?

• Basalt

• Limestone

• Gneiss

• Granite

What is the role of the rock cycle in shaping Earth's surface?

• It makes rocks disappear.

• It keeps rocks the same.

• It reshapes the surface by transforming rocks.

• It only affects mountains.

What should you remember about rocks and Earth science?

• Rocks are only found in canyons.

• Rocks are a reminder of Earth's constant change.

• Rocks are boring.

• Rocks never change.