Unit 6 (Rocks and Minerals) Review LSGA

Which of the following is NOT a characteristic of minerals?

• Crystalline

• Made by man

• Inorganic

• Solid

The color of the power that a mineral leaves on a piece of white, unglazed porcelain is called the mineral's _______________.

• streak

• scratch

• luster

• color

Pyrite is called fool's gold because it looks a lot like gold. What properties can be used to tell pyrite and gold apart?

• hardness

• streak

• density

• All of the above

• None of the above

What mineral is described above?

· Colorless or white in appearance when pure

· Density around 2.6

· Scratches glass but not a diamond

· White Streak

· Vitreous (glassy)

• Beryl

• Diamond

• Orthoclase

• Quartz

Ms. Roper is teaching her class about rocks and minerals. She holds up a rainbow chocolate chip cookie and explains that the cookie is like a rock. Next, she points to the different colored chocolate chips. What do the chocolate chips represent?

• Gems

• Minerals

• Rocks

• Fossils

How are rocks DIFFERENT from minerals?

• Rocks are made up of at least two minerals, but minerals are not made up of rocks.

• Minerals are made up of at least two rocks, but rocks are not made up of minerals.

• Rocks are a pure substance and minerals are all mixtures.

• Rocks have no physical or chemical properties similar to minerals.

Juan observes a material in the rocks of a hill. Juan hammers off a piece and then examines the pieces with a hand lens. He makes the following notes about what he observes:

• has luster

• cubic crystals

• clear in color

What did he most likely observe through the hand lens?

• Animal bones

• Fossil

• Rock

• Mineral

Minerals are naturally occurring inorganic solids that possess an orderly internal structure and a definite chemical composition. This orderly internal structure or regular pattern is called its ________________.

• Specific gravity

• Crystal structure

• Hardness

• Cleavage furrow

Students want to identify a rock in a nearby field. Which of the following would be most useful in identifying the unknown rock?

• Smell

• Specific weight

• Mineral content

• Color

Which of the following statements are TRUE?

• I and II

• Only IV

• I, III, and IV

• All of the above

• None of the above