Chapter 2: Minerals & Rocks - Section 2: The Rock Cycle

What determines a rock’s path through the rock cycle?

• The type of rock and environmental conditions

• The color of the rock

• The age of the rock

• The size of the rock

What do heat and pressure do to rocks deep in the earth’s surface?

• They melt the rocks.

• They transform the rocks into metamorphic rocks.

• They break the rocks into smaller pieces.

• They have no effect on the rocks.

What happens to rocks that move to the earth’s surface?

• They become part of the soil.

• They melt into magma.

• They evaporate into the atmosphere.

• They turn into diamonds.

Scientists believe that rocks have been on or in the earth for _________ of years.

• millions

• thousands

• hundreds

• billions

Rocks can change in appearance and _________. (Word bank: millions, form, solid, minerals, old)

• form

• millions

• solid

• minerals

Use page 19 of the student text to complete the worksheet. Fill in the Blank. Use the words in the word banks to complete the sentences. Rocks are _________, natural objects. (Word bank: millions, form, solid, minerals, old)

• solid

• millions

• form

• old

A rock is made from one or more _________. (Word bank: millions, form, solid, minerals, old)

• minerals

• millions

• form

• solid

The rock cycle is the process by which _________ rock material changes to make new rocks.

• solid

• liquid

• gaseous

• plasma

Outside _________ affect rocks as they move through the rock cycle.

• forces

• weather

• temperature

• pressure

Heat and pressure melt rocks to form _________. (Word bank: magma, forces, hardens, weathering, surface)

• magma

• forces

• hardens

• weathering