3 Types of Rocks
Minerals
Properties
100
Which rocks are formed from heat and pressure?
Metamorphic
100
These are the building blocks of rocks.
Minerals
100
Johnny sorted his rocks into a group of gray rocks, black rocks and white rocks. Which property did he look at?
Color
200
Which rock forms under water?
Sedimentary
200
What is the most common material found on earth?
Minerals
200
A rock that feels grainy is an example of which property?
Texture
300
Which rocks form in layers?
Sedimentary
300
Which mineral is the hardest?
Diamond
300
The way a rock reflects light is called ___________.
Luster
400
Which rock is formed when magma or lava cools and hardens?
Igneous
400
Tell one property used to classify minerals.
Color, streak, texture, hardness, luster
400
Scratching a rock with your fingernail can show the rock's ___________.
Hardness
500
Which rock is formed from fossils or plant and animal remains?
Sedimentary
500
True/False: Minerals are not found in rocks.
False!
500
List the five properties of rocks that we have learned in class.
Color, texture, luster, hardness, streak
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