Bill Nye Rock Cycle and Types of Rocks Flashcard

Front

What happens to rocks when they reach the Earth's surface?

Back

They push other rocks down and form new rocks.

Front

How are diamonds formed?

Back

By high pressure and heat in volcanoes.

Front

What are molten rocks?

Back

Rocks that have melted due to heat.

Front

What is the rock cycle?

Back

A process where rocks are formed, broken down, and reformed.

Front

How are sedimentary rocks formed?

Back

By squeezing together sand, silt, and mud.

Front

What are igneous rocks?

Back

Rocks formed from cooled lava or magma.

Front

What is metamorphic rock?

Back

Rocks that have changed due to heat and pressure.

Front

What is erosion?

Back

The process of rocks and soil being worn away by wind, water, or ice.

Front

What is weathering?

Back

The breaking down of rocks into smaller pieces by natural forces.

Front

What is sediment?

Back

Small pieces of rock, sand, and soil that are carried by water or wind.