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Rocks
Minerals
Three Types Of Rocks
Fun Facts
100
A mineral is a natural occuring solid chemical substance that is formed through geological processes.
What is a mineral?
100
A type of rock that is formed by sedimentation, and it looks like stacked layers of rock.
What is Sedimentary Rock?
100
The diamond is the hardest mineral in the world.
What is the hardest mineral in the world?
200
A rock is a lump or mass of hard consolidated mineral matter.
What is a rock?
200
Over 4,000 with discoveries still being occasionly made.
How many minerals have been discovered?
200
Igneous Rock is formed through cooling and solidification of magma or lava.
What is Igneous Rock?
200
Talc is the softest mineral in the world.
What is the softest mineral in the world?
300
Three. Sedimentary, Igneous, and Metamorphic.
How many types of rocks are there?
300
There are thousands of minerals in the U.S.A.
How many minerals are in the U.S.A.?
300
Metamorphic Rocks are formed by other rocks and other living things like animals and plant forms.
What is Metamorphic Rock?
300
The Mohs Hardness Scale is used for determining the hardness of a rock or mineral.
What is the Mohs Hardness Scale for?
400
Granite is a type of rock form.
Is Granite a rock or mineral?
400
It is a 2 on the Mohs Hardness Scale.
What is the hardness of Gypsum on the Mohs Hardness Scale?
400
Sedimentary: Limestone Metamorphic: Marble Igneous: Pumice
What is an example of Sedimentary, Metamorphic, and Igneous Rocks?
400
Fracture is the ends of a rock or mineral with cracks or dents in it.
What is Fracture mean?
500
Marble is a type of non-foliated Metamorphic rock.
What type of rock is Marble?
500
Andres Marggraf discovered zinc in 1947.
Who discovered the mineral zinc?
500
Sedimentary Rocks have been around for more than a million years.
How long has Sedimentary Rock been around?
500
The act of splitting or cleaving.
What does Cleavage mean?