Chapter 9 Review Question Preview (ID: 34593)


Review The Main Concepts Of Chapter 9. TEACHERS: click here for quick copy question ID numbers.

In what layer of soil will you find the least amount of organic matter?
a) The subsoil
b) The parent or bedrock
c) The top soil
d) The potting soil.

Which of the following is a tool one might use to decide the hardness of a mineral?
a) A sponge
b) A car
c) A steel nail
d) A mop

I want to test a mineral's true color (streak). What can I use?
a) a toothbrush
b) A hammer
c) An unglazed ceramic tile.
d) a steel nail

How can bacteria help contaminated soil?
a) The bacteria goes to fertilizer
b) The Bacteria breaks down contaminants
c) The bacteria does NOT help soil
d) The Bacteria further contaminates soil.

Why would you find dark soil in a forest?
a) Because of the shade from trees
b) Due to the humus
c) Because of the sun
d) Because the Sun is shining at an angle

What is the name of the type of soil that holds water very well and is fine grained?
a) Sand
b) Loam
c) Clay
d) Bedrock

What type of rock can be formed by chemical reactions?
a) Sedimentary
b) Igneous
c) Metamorphic
d) Chemical rocks

When new soil forms due to rocks breaking down, what is the process called?
a) it is erosion
b) Processing
c) Weathering
d) Ignition

What are two things you would look for when trying to identify sedimentary rock.
a) Look for layers and/or fossils
b) Look for streaks and/or smudges
c) Look for shiny areas and/or waxy areas
d) Look for a long stripe down the rock and/or a rock that looks wet.

What is the difference in rocks and minerals?
a) rocks are harder than minerals
b) Minerals are harder than rocks.
c) Rocks are made up of minerals
d) Minerals are made of rocks

Discuss a diamond and a piece of talc's hardness on the Mohs scale
a) Diamond is the next to the hardest mineral (9), Talc is the third (3)
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) Talc is the hardest mineral (10), Diamonds are the least hard (1)

What is a geologist referring to when he says a mineral is non-metallic?
a) its metallic nature
b) Its hardness
c) Its streak
d) Its luster

How can you tell if something is a mineral or not?
a) By crushing it and see if it shines
b) By looking at it with a magnifying glass
c) If it is natural, non-living and has definite chemical structure
d) By putting it in a fire and see if it burns

Why do all minerals have a geometric shape?
a) Minerals do not have geometric patterns
b) They have sharp corners
c) They are part of geometry
d) The way the particles are arranged

Where would you expect to find the oldest fossils in a section of sedimentary rock?
a) The top
b) The middle
c) The Bottom
d) Divided equally in the top and in then bottom.

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