Unit 2: Rock Cycle

Multiple Choice

What is the rock cycle?

• The process by which rocks are broken down by weathering

• The series of processes that continually change one rock type into another

• The process of forming magma from molten crust

• The process of mountain building

Multiple Choice

Which of the following statements about extrusive and intrusive rocks is correct?

• Extrusive rocks form when magma cools under Earth's surface.

• Intrusive rocks form when lava cools on Earth's surface.

• Extrusive rocks form when lava cools and crystallizes on Earth's surface.

• Intrusive rocks form from weathering and erosion.

Multiple Choice

What is weathering of rock?

• Weathering of rock is the process of forming new rocks from magma.
• Weathering of rock refers to the movement of rocks by wind and water.
• Weathering of rock is the creation of minerals through volcanic activity.
• Weathering of rock is the breakdown and alteration of rocks due to environmental factors.

Multiple Choice

What rock type needs heat and pressure to form?

• Magma

• Metamorphic rocks
• Igneous rocks
• Sedimentary rocks