Final Exam Review

What material is used for pencil lead?

• quartz
• coal
• graphite
• lead

Which of the following is one of the unique properties of diamonds?

• It is the only precious mineral
• It can be made into a tool
• It can be cut and polished
• No other mineral can scratch it

Which is more reliable to identify a mineral- a mineral's color or a mineral's streak

• Color
• Streak

Which of the following removes long patches of soil?

• Strip mining
• Coal mining
• Chemical mining
• Minecraft

What is the external shape of a crystal determined by?

• Impurities
• Internal arrangement of atoms
• Where it was formed
• Its value

How are igneous rocks classified?

• By how much sediment they contain
• By what color they are
• By whether they formed above or below ground
• By the pattern of bands they may have

Where are the convection currents that move earth's plates located?

• core
• mantle
• crust
• ocean

Which of the following correctly describes earth's innermost layer, the core?

• It's made of nickel and iron
• It's solid
• It's the thickest layer of the earth
• All of the above are true

What was the dominant form of life in the Cenozoic Era?

• amphibians
• bacteria
• dinosaurs
• mammals

Heat and pressure can turn buried organic matter into_______________.

• Uranium
• coal
• minerals
• sediment