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

Weathering and erosion form these types of rocks.

Sedimentary

200

True/False: Minerals can be classified by their size.

False

200

When a mineral is scratched on a special plate it leaves a certain color of powder. This is an example of which property?

Streak

200
Bits of rocky material that settle at the bottom of the ocean are called _________?
Sediments
200

Granite and obsidian are 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, texture, hardness, luster, streak, cleavage.

400
Scratching a rock with your fingernail can show the rock's ___________.
Hardness
400

The recycling of old rock into new rock.

The rock cycle.

400

Sandstone, mudstone, 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, streak, luster, hardness, cleavage

500
Which rock is called the "changing rock"?
Metamorphic
500

Explain why fossils are not found in igneous rocks.

Igneous rocks form from molten rock. The heat of the molten rock would destroy any animal or plant remains.

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