Rock Types
Mineral Traits
Rock Cycle
Charts
Mineral Tests
100
This type of rock is made from cooled magma.
Igneous
100
Minerals with a dull luster:

A. Sparkle like metal
B. Do not shine
C. Shine like glass
B. Do not shine
100
What type of rock does letter A represent?
Igneous rock
100
Look at the mineral chart below. Which mineral writes?
Mineral Color Streak Luster Transparency Hardness Magnetism Writing Acidity
Graphite gray silver metallic opaque 2 / not hard x writes x
Calcite white white glassy translucent 3 / a little hard x x fizzes
Talc black and white white dull opaque 2 / not hard x x x
Magnetite gray black metallic opaque 7 / very hard magnetic x x
Sulfur yellow yellow dull opaque 2 / not hard x x x
Quartz white white glassy translucent 7 / very hard x x x
Halite clear white glassy translucent 2 / not hard x x x
Hematite silver brown metallic opaque 5 / hard x x x
Graphite
100
A geologist might use a flashlight to test what mineral property?
Transparency or luster.
200
Sedimentary rocks are made by:

A. Cooled magma
B. Heat and pressure
C. Sediment that is compressed for a long time
C. Sediment that is compressed for a long time
200
A mineral that is a little see-through, but cloudy is called:

A. Translucent
B. Opaque
C. Transparent
A. Translucent
200
What process does arrow 6 represent?
Weathering and erosion
200
Look at the mineral chart below. Which mineral is translucent, glassy, and hard?
Mineral Color Streak Luster Transparency Hardness Magnetism Writing Acidity
Graphite gray silver metallic opaque 2 / not hard x writes x
Calcite white white glassy translucent 3 / a little hard x x fizzes
Talc black and white white dull opaque 2 / not hard x x x
Magnetite gray black metallic opaque 7 / very hard magnetic x x
Sulfur yellow yellow dull opaque 2 / not hard x x x
Quartz white white glassy translucent 7 / very hard x x x
Halite clear white glassy translucent 2 / not hard x x x
Hematite silver brown metallic opaque 5 / hard x x x
Quartz
200
Name two tools a geologist can use to test a mineral's hardness?
Fingernail, penny, or steel nail
300
A rock with color or rock layers is most likely what kind of rock?
Metamorphic rock
300
Agree or disagree:
Minerals always have the same streak as their color.
Disagree
300
What process does arrow 8 represent?
compaction and cementation - or - time and pressure
300
Look at the mineral chart below. What is the luster of the mineral that fizzes?
Mineral Color Streak Luster Transparency Hardness Magnetism Writing Acidity
Graphite gray silver metallic opaque 2 / not hard x writes x
Calcite white white glassy translucent 3 / a little hard x x fizzes
Talc black and white white dull opaque 2 / not hard x x x
Magnetite gray black metallic opaque 7 / very hard magnetic x x
Sulfur yellow yellow dull opaque 2 / not hard x x x
Quartz white white glassy translucent 7 / very hard x x x
Halite clear white glassy translucent 2 / not hard x x x
Hematite silver brown metallic opaque 5 / hard x x x
Glassy
300
This test is done to describe whether light passes through a mineral.
Transparency
400
Sedimentary rocks and igneous rocks can change into metamorphic rocks through:

A. Cooled magma
B. Heat and pressure
C. Sediment that is compressed for a long time
B. Heat and pressure
400
If a mineral has a hardness of 7, you know that it is:

A. Not hard
B. A little hard
C. Hard
C. Hard
400
Numbers 4 and 9 both represent what?
Heat and pressure
400
Look at the mineral chart below. What is the transparency of the magnetic mineral?
Mineral Color Streak Luster Transparency Hardness Magnetism Writing Acidity
Graphite gray silver metallic opaque 2 / not hard x writes x
Calcite white white glassy translucent 3 / a little hard x x fizzes
Talc black and white white dull opaque 2 / not hard x x x
Magnetite gray black metallic opaque 7 / very hard magnetic x x
Sulfur yellow yellow dull opaque 2 / not hard x x x
Quartz white white glassy translucent 7 / very hard x x x
Halite clear white glassy translucent 2 / not hard x x x
Hematite silver brown metallic opaque 5 / hard x x x
Opaque
400
This test uses a piece of porcelain to find out what color a mineral is in its powder form.
Streak test
500
Identify this rock type:
Igneous rock
500
Which word does not describe luster?

A. Glassy
B. Translucent
C. Metallic
D. Dull
B. Translucent
500
Why is this called a cycle?
This is called a cycle because it continuously repeats.
500
Look at the mineral chart below: What color streak does the hard mineral have?
Mineral Color Streak Luster Transparency Hardness Magnetism Writing Acidity
Graphite gray silver metallic opaque 2 / not hard x writes x
Calcite white white glassy translucent 3 / a little hard x x fizzes
Talc black and white white dull opaque 2 / not hard x x x
Magnetite gray black metallic opaque 7 / very hard magnetic x x
Sulfur yellow yellow dull opaque 2 / not hard x x x
Quartz white white glassy translucent 7 / very hard x x x
Halite clear white glassy translucent 2 / not hard x x x
Hematite silver brown metallic opaque 5 / hard x x x
Brown
500
Why do geologists test minerals?
Geologists test minerals in order to identify them based on their properties.
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