Rocks and Minerals

Front

What are rocks made up of?

Back

Rocks are made up of minerals.

Front

What are very big rocks called?

Back

Boulders.

Front

What are tiny rocks called?

Back

Pebbles.

Front

Which kind of rocks form from tiny materials like sand, clay, salt, or pebbles?

Back

Sedimentary rocks.

Front

Which kind of rock has changed form from being squeezed very hard?

Back

Metamorphic rocks.

Front

What is the process called when rocks are broken down into smaller pieces?

Back

Weathering.

Front

What type of rock forms from cooled lava or magma?

Back

Igneous rocks.

Front

What is the name for the layer of soil and rock that covers the Earth's surface?

Back

The crust.

Front

What is the term for the natural process of rocks changing from one type to another?

Back

The rock cycle.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.