Download igneous rocks

Minerals and Rocks
What do we know?
luster
How a mineral shines
The reflection
How glossy it is
How shiny it is
What is it?
cleavage
How a mineral splits
How it breaks apart
Cubes or flat planes
What is it?
hardness
– Easily scratched
– Mohs Scale
– How tough it is
– What is it?
streak
– Powder of a mineral
– Color of its powder
What is it?
igneous rocks
– Melted or molten
– Deep within Earth
– Cool then harden
– Volcano Rocks
– What is it?
metamorphic rocks
Existing rocks that change
Heat, pressure, chemicals
Transformer rocks
Were once igneous
Were once sedimentary
– What is it?
sedimentary rocks
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Sand particles of rock
Bits of soil
Bits of rocks
Once living things
Cemented together
What is it?