Mohs Scale
Rocks
Minerals
More Rocks
MIXUP
100
The hardest mineral on the Mohs Hardness Scale
diamond
100
How is an igneous rock formed?
Cooling lava or magma
100
When you scrape a mineral across a white or black tile you are testing for what?
Streak
100
When pieces of older rocks, plants, and other loose material gets pressed or cemented together, a _____ rock forms.
Sedimentary
100
Weathering breaks it….Erosion takes it…..Deposition
Drops It
200
The softest mineral found on the Mohs Hardness Scale
Talc
200
How is a sedimentary rock formed?
Different small particles are pressed together over time
200
How a mineral reflects light.
Luster
200
When molten (melted) rock cools and becomes a solid, a _____ rock forms.
Igneous
200
Thinking about sedimentary rock, the oldest layers are found
at the bottom
300
Tool used by scientist to determine the hardest of a mineral
Mohs Hardness Scale
300
How is metamorphic rock formed?
Heat and Pressure deep in the Earth
300
The atoms within a mineral are arranged in an orderly, repeating three-dimensional pattern.
Crystal Structure
300
When heat or pressure causes one rock to change into a new type of rock, we call these rocks _____.
Metamorphic
300
How do sediments become sedimentary rock?
compaction and cementation
400
The fingernail has a hardness of 2.5, which two minerals can it scratch?
Talc and Gypsum
400
Igneous Rock that is still inside the Earth is called?
Intrusive Igneous Rock
400
My teacher mentioned that in order for a substance to be a mineral, it has to be _____ or nonliving.
Inorganic
400
Fossils are more likely to form in which type of rock?
Sedimentary rocks
400
This characteristic of a mineral shows the molecules are closely packed together.
Solid
500
Name one mineral that is harder than a steel file that has a 6.5 hardness.
Quartz
Topaz
Corundum
Diamond
500
Explain how minerals and rocks related?
Rocks form from minerals
500
The tendency of a mineral to split along specific planes of weakness to form smooth, flat surfaces.
cleavage
500
This type of igneous rock can be found on the crust.
Extrusive
500
Rocks can be classified as sedimentary, igneous, or metamorphic based primarily upon differences in their
Origin (where they come from)