Be a Rock Detective!

How are igneous rocks made?

• When tiny pieces of other rocks are pressed together.

• When hot, melted rock cools and gets hard.

• When rocks change shape from lots of heat and pressure.

• When rivers wear down rocks.

What are sedimentary rocks made from?

• Melted rock from inside the Earth.

• Rocks that have been squished and bent.

• Tiny pieces of other rocks that are pressed together.

• Rocks that are very hot.

What causes metamorphic rocks to change?

• Being broken down by water.

• Cooling down from being very hot.

• Lots of heat and strong pressure.

• Being carried away by rivers.

If a rock has squiggly lines because it was stretched and squeezed, what kind of rock is it?

• Igneous rock

• Sedimentary rock

• Metamorphic rock

• A new rock