What are rocks?

The softest rock was ..........................

• granite

• sandstone

• coal

The hardest rock was ...................

• granite

• sandstone

• coal

The coal and granite damaged the wooden stick because they are ..........................

• hard

• soft

• smooth

The limestone and sandstone did not damage the wooden stick very much because they are ...........

• hard

• soft

• warm

True or false? The surface of the Earth is made of rocks.

• True

• False

True or false? All of the rocks in this world have the same types and sizes.

• True

• False

True or false? A quarry is a place where rocks are dug from the ground.

• True

• False

True or false? There are many different types of rock.

• True

• False

The red, brown or orange rock made from sand that has become hard. We use it to build houses and buildings.

• granite

• limestone

• sandstone

A very hard rock which comes from volcanoes, made of small pieces of different colors.

• granite

• limestone

• sandstone