3 Types of Rocks
Minerals
Properties
Vocabulary
Rocks
100
Which rocks are formed from heat and pressure?
Metamorphic
100
What are rocks made up of?
Minerals
100
Johnny sorted his rocks into a group of gray rocks, black rocks and white rocks. Which property did he look at?
Color
100
Scientists use _____________ to classify rocks.
Properties
100
What are the 3 types of rocks?
Igneous, sedimentary, metamorphic
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
200
Bits of rocky material that settle at the bottom of the ocean are called _________?
Sediments
200
Granite is which type of rock?
Igneous
300
Which rocks form in layers?
Sedimentary
300
Which mineral is the hardest?
Diamond
300
The way a rock reflects light is called ___________.
Luster
300
This rock's name means "from fire".
Igneous
300
Marble and slate are examples of which type of rock?
Metamorphic
400
Which rock is formed from magma or lava?
Igneous
400
Tell one property used to classify minerals.
Color, size, texture, hardness, luster
400
Scratching a rock with your fingernail can show the rock's ___________.
Hardness
400
Which rock is called the "sandwich rock"?
Sedimentary
400
Sandstone and limestone are examples of which type of rock?
Sedimentary
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, size
500
Which rock is called the "changing rock"?
Metamorphic
500
Explain how a sedimentary rock forms.
Sediments run off into the water where they settle at the bottom of the ocean. The weight of the water causes the rocks to form in layers.
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