Transcript Chapter 9 Review

Who Wants to
Be a
Millionaire?
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Rocks and
Minerals
Click the appropriate dollar amount
at right to proceed to the question
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Phone A Friend
“OK Contestant…Please select a
friend to help you with this one. You
have thirty seconds to discuss your
options…”
Return to the
Question
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Ask the Audience
“Audience, we need your help on this
one…in a moment, we’ll ask you to
indicate, by show of hands, your choice
for the correct answer…”
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Question
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Fifty - Fifty
50/50
You’ve asked that two of the
wrong answers be eliminated,
leaving you with one wrong
answer plus the correct one.
Return to the
Question
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Correct
Correct!
Proceed to
Next Question
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Incorrect
Sorry, That’s
Incorrect
Return to the
Question
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All minerals have a geometric
shape because of __________.
50/50
A
The way particles
are arranged
C
High
temperatures
The living parts
B of the minerals
D
The pressure
needed to form
them
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Which of the following is a
mineral?
50/50
A
coal
B
brass
C
soil
D
copper
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A scientist says a mineral is
metallic. What property is the
scientist describing?
50/50
A
streak
B
cleave
C
luster
D
hardness
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On the Mohs scale, which
mineral has a hardness of 10?
50/50
A
talc
B
quartz
C
diamond
D
apatite
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How is a rock different from a
mineral?
50/50
A
Rocks don’t
change.
C
A mineral is
made up of rock
A rock is made
B up of minerals.
D
Minerals are
harder than rock
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Which process forms new soil
when exposed rock begins to
break down?
50/50
A
erosion
B
rock cycle
C
exposition
D
weathering
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A rock has many layers. What
type of rock is this?
50/50
A
Humus rock
B
Metamorphic
rock
C
Sedimentary
rock
D
Igneous rock
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Which type of rock can be
formed by chemical reactions?
50/50
A
Humus rock
B
Metamorphic
rock
C
Sedimentary
rock
D
Igneous rock
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Which type of soils is finegrained and holds water
extremely well?
50/50
A
sand
B
silt
C
loam
D
clay
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Why are you likely to find dark
brown soil in a forest?
50/50
A
C
It has a lot of
humus
B
It has little
humus
It is iron-rich
D
It has a lot of
minerals
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How can bacteria benefit from
contaminated soil?
50/50
A
They can
consume
contaminants
B
They can break
down
contaminants
C
They can erode
the contaminated
soil
D
They can form
new soil to mix in
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What tool do you need to test a
mineral’s color?
50/50
A
C
A hammer
B
A fingernail
A steel knife
D
An unglazed
ceramic tile
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Which soil layer has the
GREATEST amount of organic
material?
50/50
A
topsoil
B
sand
C
subsoil
D
parent rock
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In four layers of rock, which
layer would you find the oldest
fossils?
50/50
A
Top layer
B
Bottom layer
C
Second layer
down
D
Second layer
from the bottom
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Rocks and fossils found near a
trilobite in the same layer of
sediment will be ____________
the trilobite.
50/50
about the same
A
age as
B
C
D totally different
older than
younger than
from the age of
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Essays
•What can a scientist conclude if he finds a trilobite fossil
in sedimentary rock?
•Why is this a valid conclusion?
•What role do mosses, lichen, bacteria, fungi, and plants
play in soil formation?
•A soil profile reveals what is inside the soil. It shows
three layers. Identify and describe the three layers.
•Rocks are always changing in a pattern called the rock
cycle, which takes place over millions of years. Describe
how the three types of rock – sedimentary, igneous, and
metamorphic rock – are formed in the rock cycle and give
a characteristic and example of each type of rock.