Ch 7 Minerals and Rocks

A rock which contains a useful mineral is call a/an

• gem
• quarry
• ore
• alloy

The color of a mineral in powder form is called the mineral's 

• hardness
• specific gravity
• luster
• streak

How light reflects off of a mineral is called the mineral's 

• luster
• streak
• cleavage
• fracture

Tags

NGSS.MS-PS4-2

Why is coal not a mineral?

• It's not a solid
• It is man-made
• It is not inorganic
• It is made of carbon

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

Tags

NGSS.5-PS1-3

By definition, a mineral has which of the following characteristics? Choose ALL correct answers.

• definite chemical composition

• crystal structure

• naturally occurring

• organic

• solid or liquid

The solid, geometric form of a mineral produced by a repeating pattern of atoms

• crystal
• density
• element
• fracture 

Tags

NGSS.MS-PS1-1

What mineral is the softest mineral on Moh's Hardness Scale and the main ingredient in baby powder?

• feldspar
• talc
• gypsum
• kaolinite

Large crystals are going to form

• when lava erupts from a volcano

• when a shallow sea evaporates

• when magma underground cools off slowly

• all of the above

An igneous rock is buried deep in the Earth's crust where there is high amounts of heat & pressure. This rock will most likely turn into what type of rock?

• metamorphic rock

• sedimentary rock

• igneous rock