QUIZ CHAPTER 9-EARTH SCIENCE

TRUE OR FALSE

God originally designed the earth with many kinds of minerals and ores for us to use and enjoy.

It is a naturally occurring, inorganic, crystaline, solid that has definite chemical composition

• ore

• mineral

• rock

• soil

_____ are the rocks that contain certain valuable minerals

Minerals composed of one single element are called?

• native minerals

• compound minerals

Can minerals be mixtures?

• YES

• NO

Select the name of the scientists that study minerals.

• seismologist

• biologists

• mineralogists

• zoologists

A mineral´s luster is the amount and quality of light it reflects from its Surface. Select the luster of the silver.

• adamantine

• metallic

• non-metallic

• grassy

Select the special property of some minerals that attract metallic objects.

• luminescence

• refraction

• magnetism

• radioactivity

Crystals in minerals can grow larger by accretion. Select the TWO conditions in which this can happen:

• In water where there are lots of minerals.

• In cooling magma

• In the street

• In huge buildings.

The science that study minerals is called: