Rocks
Minerals
More Minerals
Earth's Processes
Earth's Layers
100
Rocks are changed to sediment by ___________
What is weathering and erosion?
100
If a material peels of in sheets or smooth surfaces it displays this.
What is cleavage?
100
A rare mineral that can be polished and is valued for beauty
What is a gemstone?
100
This model shows how rocks are recycled from one type to another
What is the Rock Cycle?
100
The outer layer of Earth.
What is the crust?
200
These types of rocks are formed when magma or lava cools.
What are Igneous Rocks?
200
This is a naturally occurring solid, inorganic, and has a definite chemical composition.
What is a mineral?
200
The measure of how easily a mineral is scratched.
What is fracture?
200
The size and shape of a mountain changes because of _____
What is erosion?
200
This layer is solid and contains the crust and uppermost mantle.
What is the lithosphere?
300
Any rock can be changed to a metamorphic rock when it is exposed to _______
What is heat and pressure?
300
This explains how light is reflected from a mineral.
What is luster?
300
The color of a powdered mineral?
What is streak?
300
Erosion changes rocks to ________
What is sediment?
300
This layer is solid metal.
What is the inner core.
400
These types of rocks form when loose material is compacted and cemented together
What are Sedimentary Rocks?
400
A mineral that is mined because it contains a useful substance.
What is an ore?
400
Talc's rating on the hardness scale?
What is 1?
400
The process of earth being brought to a higher elevation.
What is uplift?
400
This layer is the largest layer of Earth.
What is the mantle?
500
Rocks are classified based on how they were _____
What is formed?
500
The hardness of a mineral is rated on this scale.
What is the Mohs scale?
500
Diamond's rating on the hardness scale.
What is 10?
500
This movement within earth drives plate tectonics.
What is convection?
500
This layer is mostly solid and flows a few centimeters per year.
What is the asthenosphere?
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