Rocks and Minerals Are Awesome

What is a mineral?

• the small part that makes the nucleus of an atom

• a natural occurring element that is not a plant or animal

• any gas that is found on the Periodic Table

• an unnatural element that is always liquid

Which of these is an example of a mineral?

• topaz

• plastic

• water

• all of the above

How do minerals form?

• When magma heats up, minerals boil to the top.

• When magma heats up water, minerals cool it down.

• When magma cools down, its molecules form crystals.

• When magma is still in a volcano, it is full of minerals.

Where does table salt come from?

• It is formed by flowing magma.

• It is left behind after a volcano erupts.

• It is formed by freezing water.

• It is left behind when water evaporates.

Mica tends to only break into flat pieces. What is this called?

• color

• streak

• hardness

• cleavage

If a diamond has a 10 on the Mohs scale, what must be true?

• It can scratch any other mineral

• It cannot be scratched by any other mineral.

• It is very strong.

• all of the above

What is true about streak?

• It will be different depending on the mineral’s color.

• It will always be the same color for each kind of mineral.

• It will reflect a sunbeam differently than a flashlight beam.

• It is always greenish black, no matter the mineral.

Finish this sentence: We select rocks for particular purposes because of their...

Fill in the blank:

...... is a property that depends on the chemicals in the rocks. For example, some red rocks contain a lot of iron.

What branch of science is the study of rocks?

• Hydrology

• Meterology

• Geology

• Archeology