Minerals, Rocks and Soil

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

Why is coal not a mineral?

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

The following image shows what mineral property?

• Hardness
• Streak
• Cleavage
• Density

Diamond has a hardness of ___ on Mohs Hardness Scale.

• 1
• 5
• 8
• 10

By definition, a mineral has which of the following characteristic(s)?

• definite chemical composition
• crystal structure
• naturally occuring
• all of the above

A naturally occurring, inorganic solid with a crystal structure and a definite chemical composition is referring to

• density
• streak
• mineral
• non silicate mineral

This rock formed when bits of other rocks became pressed into a solid. What type of rock is it?

• Sedimentary Rock
• Metamorphic Rock
• Igneous Rock

This rock was formed when magma cooled very slowly inside the Earth. What specific type of rock is it?

• Intrusive Igneous Rock
• Extrusive Igneous Rock
• Foliated Metamorphic Rock
• Clastic Sedimentary Rock

This rock formed when lava cooled very quickly on Earth's surface. What specific type of rock is it?

• Extrusive Igneous Rock
• Intrusive Igneous Rock
• Non-Foliated Metamorphic Rock
• Biochemical Sedimentary Rock