Ms. Van Pebbles Test Review Question Preview (ID: 39084)


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What type of rock usually has bubbles in it?
a) igneous
b) metamorphic
c) sedimentary
d)

In what location would a scientist likely find a sedimentary rock?
a) Near a volcano.
b) In a watery area.
c) Deep underground.
d)

Gold and pyrite have nearly the same color. What identification technique might a gemologist use to tell them apart, due to a different color result?
a) luster
b) hardness
c) streak
d) cleavage

Glass has a hardness of 5.5. What hardness of mineral could scratch glass?
a) Higher than 5.5
b) Lower than 5.5
c) Equal to 5.
d)

Minerals usually form in one of the following ways, EXCEPT
a) cooling of hot water underground
b) cooling of magma/lava
c) evaporation of salt water
d) hardening of old plant material

If heat and pressure inside Earth cause the texture and crystal structure of a rock to change, what new material is formed?
a) metamorphic rock
b) sedimentary rock
c) igneous rock
d) chemical rock

What can often be found in sedimentary rocks?
a) lava
b) gemstones
c) fossils
d)

Minerals that break into sheets of paper display what identification property?
a) cleavage
b) fracture
c) hardness
d)

A geologist finds a mineral that appears to sparkle like glass in the sunlight. What property is this geologist observing?
a) cleavage
b) fracture
c) hardness
d) luster

A rock hunter finds a rock with wavy bands. What rock have they likely found?
a) igneous
b) sedimentary
c) metamorphic
d) extrusive

Where do igneous rocks usually form?
a) Near a volcano.
b) In a watery area.
c) Deep underground.
d)

What is a naturally occurring solid that can form by inorganic process and has a crystal structure?
a) mineral
b) rock
c) soil
d) vegetable

The O layer of soil contains...
a) regolith
b) organic materials
c) bedrock
d)

The C layer of soil is also known as...
a) regolith
b) organic materials
c) bedrock
d)

The lowest layer of soil that can go 20 miles deep is...
a) O
b) A
c) B
d) BEDROCK

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