Minerals Review

What can you infer about graphite from the fact that you can scratch it with just your fingernail?

• It's not very lustrous.
• It's not very hard.
• Its streak is black colored.
• It has fracture.

Which mineral is ranked highest on the Mohs scale? 

• Talc
• Calcite
• Quartz
• Diamond

Which physical property requires no tools, scales, or other equipment to determine? 

• Hardness
• Fracture
• Color
• Weight

What word describes the material involved in a streak test? 

• Fractured
• Powered
• Scratched
• Liquid

Luster is . . . 

• The weight of a mineral.
• The way light reflects off of a mineral's surface.
• The way light reflects off of a rock's surface.
• The color left after a mineral is scratched.

The name of a scientist that studies rocks and minerals is called a . . . 

• biologist
• geologist
• zoologist
• rockologist

This mineral test determines if light passes through the mineral.

• luster
• streak
• hardness
• transparency

What do all rocks have in common?

• same size
• same color
• contain minerals
• same shape

What is the difference between a rock and a mineral?

• A rock is an inconsistent mixture of minerals, while a mineral is "pure" and made up of a precise combination of chemicals.
• A mineral is an inconsistent mixture of minerals, while a rock is "pure" and made up of a precise combination of chemicals.
• A rock is harder than all minerals.
• Minerals contain fossils while rocks do not.

Minerals have different properties to help scientists identify them.  Which is NOT a property used to identify minerals?

• color
• hardness
• size
• luster