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
Can a mineral scratch a mineral with
a higher hardness number or a lower
hardness number?

Lower number

If a mineral is shiny, does that mean
it is metallic or nonmetallic?

Metallic

An unknown mineral is pale yellow,
shiny nugget. The mineral leaves a
greenish-black streak, and cannot be
scratched by fluorite. What is it?

Pyrite

An unknown metallic gray mineral
leaves a gray streak. The crystals
appear cubic. When it breaks, it
breaks with clear, clean cleavage. It
scratches gypsum. What is it?

Galina

An unknown mineral is shiny,
silvery-white and leaves a light gray
streak. It is hard enough to scratch
calcite. Is it silver?

No

An unknown mineral has a deep red
color that looks like a gem. It leaves
a colorless streak and is harder than
quartz. Could it be a garnet?

Yes

What type of
rock is most
likely at
location 1?

Metamorphic

What type of
rock is most
likely at
location 2?

Intrusive igneous

What type of
rock is most
likely at
location 3?

Sedimentary

What type of
rock is most
likely at
location 4?

Extrusive igneous

What kind of
rock is most
likely at
location A?

Sedimentary

What kind of
rock is most
likely at
location B?

Metamorphic

What kind of
rock is most
likely at
location C?

Intrusive igneous

What kind of
rock is most
likely at
location D?

Sedimentary

What kind of rock is formed after
rocks weather and erode?

Sedimentary

What type of rock is most likely to
form when rocks melt and cool?

Igneous

Which type of rock is formed when
rocks undergo heat and pressure?

Metamorphic

What word
should go in
circle A?

Sediment

What word
should go in
circle B?

Sedimentary rock

What word
should go in
circle C?

Magma

What word
should go in
circle D?

Igneous rock
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