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