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Chapter 9 Review
Test Description: Review the main concepts of Chapter 9
Instructions: Answer all questions to get your test result.
1) Why do all minerals have a geometric shape?
A
Minerals do not have geometric patterns
B
The way the particles are arranged
C
They have sharp corners
D
They are part of geometry
2) How can you tell if something is a mineral or not?
A
By putting it in a fire and see if it burns
B
By looking at it with a magnifying glass
C
If it is natural, non-living and has definite chemical structure
D
By crushing it and see if it shines
3) What is a geologist referring to when he says a mineral is non-metallic?
A
its metallic nature
B
Its streak
C
Its luster
D
Its hardness
4) Discuss a diamond and a piece of talc's hardness on the Mohs scale
A
Talc is the hardest mineral (10), Diamonds are the least hard (1)
B
Diamonds are the hardest mineral (10), talc is the fifth hardest (5)
C
Diamonds are hardest minerals (10), while talc is the softest, (1)
D
Diamond is the next to the hardest mineral (9), Talc is the third (3)
5) What is the difference in rocks and minerals?
A
Rocks are made up of minerals
B
Minerals are made of rocks
C
Minerals are harder than rocks.
D
rocks are harder than minerals
6) When new soil forms due to rocks breaking down, what is the process called?
A
it is erosion
B
Processing
C
Ignition
D
Weathering
7) What are two things you would look for when trying to identify sedimentary rock.
A
Look for shiny areas and/or waxy areas
B
Look for layers and/or fossils
C
Look for streaks and/or smudges
D
Look for a long stripe down the rock and/or a rock that looks wet.
8) What type of rock can be formed by chemical reactions?
A
Sedimentary
B
Igneous
C
Metamorphic
D
Chemical rocks
9) What is the name of the type of soil that holds water very well and is fine grained?
A
Clay
B
Sand
C
Bedrock
D
Loam
10) Why would you find dark soil in a forest?
A
Because of the shade from trees
B
Because of the sun
C
Due to the humus
D
Because the Sun is shining at an angle
11) How can bacteria help contaminated soil?
A
The bacteria does NOT help soil
B
The Bacteria breaks down contaminants
C
The Bacteria further contaminates soil.
D
The bacteria goes to fertilizer
12) I want to test a mineral's true color (streak). What can I use?
A
a steel nail
B
a toothbrush
C
An unglazed ceramic tile.
D
A hammer
13) Which of the following is a tool one might use to decide the hardness of a mineral?
A
A sponge
B
A steel nail
C
A mop
D
A car
14) In what layer of soil will you find the least amount of organic matter?
A
The top soil
B
The parent or bedrock
C
The potting soil.
D
The subsoil
15) Where would you expect to find the oldest fossils in a section of sedimentary rock?
A
Divided equally in the top and in then bottom.
B
The Bottom
C
The top
D
The middle
*select an answer for all questions
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