A diamond can be scratched by ...

Which property of minerals is the least helpful?

Minerals

What is the name of the scale to test for hardness?

Which mineral will react to the acid test?

Minerals are the same throughout (uniform)

Which rocks are made of cooling magma?

What is the name of the type of rocks that are changed by heat or pressure?

What is the name of rocks formed by weathering and layering?

Rocks which are dissolving in rainwater which is slightly acid, are formed by ...?

When plant roots crack and shatter rocks, it is called ...?

The type of rock formed depends on...?

Limestone turns into which rock as it is changed by heat and pressure?

Name two igneous rocks

Name two metamorphic rocks

How many types of rock are there?

What is magma called when it comes out of a volcano?

Over time the layers of sand and mud at the bottom of rivers turn into rocks called what?

When heat and pressure is put on a rock, what does it become?

In what kind of rock can fossils be found? 

What is the hot river of rock called under the ground?

The remains of a dead animal preserved in rock is called what?