Classification
Types
Properties
100
Can I use color to tell what kind of rock it is?
Yes
100
Igneous rock comes from where?
Volcanoes
100
Rocks are made up of many _______________.
Minerals
200
Why can't I use size to tell what kind of rock it is?
Rocks can break apart
200
Metamorphic and sedimentary rocks require pressure to form, so they can only be made where?
Deep underground
200
The property of luster tells us if a rock is what?
Shiny/not shiny
300
Can I use luster to tell what type of rock it is?
Yes
300
Where are you most likely to find igneous rocks?
On the surface of the Earth, maybe near a river.
300
Do all rocks have crystals?
No
400
Why can't I use shape as a way to tell what kind of rock it is?
Water or wind can change the shape of a rock.
400
What are the layers in my sedimentary rock made of?
Shells, dead plants and animals
400
Whether a rock falls apart when you scratch it tells us its ____________.
Hardness
500
What is the best way to figure out what type of rock you have?
Compare it to a sample of the same rock.
500
I find a black, shiny, smooth rock near a river in Hawaii. What type of rock is it most likely to be?
Igneous (probably obsidian)
500
You can tell a rock's cleavage when you do what to it?
Break it apart.
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