Mineral and Soil Quiz

Which of the following is NOT a characteristic that all minerals must have?

• naturally occurring

• organic

• solid under normal conditions

• fixed chemical composition

Which characteristic of a mineral is the most easily observed but the least reliable?

• color

• luster

• streak

• hardness

Which mineral property is determined by rubbing it on a rough surface (like a ceramic plate)?

• color

• luster

• streak

• hardness

The Moh's scale shows the range of which mineral property?

• color

• luster

• streak

• hardness

Which of the following would be found in a quarry?

• gold

• copper

• sand

• iron

You found a glassy mineral with no visible crystals in it. What can you tell about the formation of this mineral?

• It was formed by slowly cooling magma

• It was formed by rapidly cooling magma

• It was formed from igneous rocks

• None of these is correct.

Which of the following is NOT true of mining?

• It will likely become more costly to mine in the future.

• We can reduce our need to mine by recycling mineral-containing materials.

• Minerals are used to produce everyday items

• The environmental impact will remain the same

Look at the image above. Which of the layers is the oldest?

• A

• B

• C

Which type of igneous rock has a high silica content?

• felsic

• mafic

• ultramafic

• intermediate

Which type of igneous rock has mineral crystals of two different sizes because it cooled slowly then more quickly?

• coarse grained

• fine grained

• glassy

• porphyritic