Scientists use _____________ to classify rocks and minerals.
Properties
What is a person who studies rocks and minerals called?
Geologist
Which rocks are formed from compacting and cementing?
Sedimentary
A rock that breaks into clean lines is an example of which property?
Cleavage
Bits of rocky material that have been worn down due to weathering and erosion are called?
Sediments
What is the process of rocks changing over time called?
The Rock Cycle
What type of rock often has air bubbles?
Igneous Rocks
This is the scale used to determine a rocks resistance to scratching.
Hardness Scale (Moh's Hardness Scale)
What is melted rock inside the earth called?
Magma
List five properties of rocks and minerals that we have learned in class.
Color, texture, luster, hardness, streak, cleavage, florescence, specific gravity
This rock's name means "from fire".
Igneous
What is the softest mineral?
Talc