Vocabulary
Minerals
Rocks
Soil
Mixed Bag
100
What word means: the bottom layer of soil, made mostly of rocks
bedrock
100
What is the softest mineral?
talc
100
Name the 3 types of rock
sedimentary, igneous, metamorphic
100
List the layers of soil in order from top to bottom.
topsoil, subsoil, bedrock
100
What is the rock cycle?
One rock changes from one form to another.
200
What kind of rock forms from melted rock?
igneous
200
What is the hardest mineral?
diamond
200
How do igneous rocks form?
They form when melted rock forms magma or lava and then cools.
200
which layer contains the most nutrients, including humus?
topsoil
200
How do sedimentary rocks change into igneous rocks?
through melting.
300
What is a natural, solid substance with a definite chemical composition and physical structure?
mineral
300
When you rub a mineral across a white square tile you are testing the minerals what?
streak
300
What are the two types of sedimentary rock?
clastic and chemical
300
What are the two types of weathering that create soil?
physical and chemical
300
True or False: All rock can change into all other forms of rock?
True
400
What is the Moh's scale used for?
Minerals hardness
400
How does metamorphic rock form?
high temperatures and pressure
400
What natural disaster happened forcing farmers to rethink how they plant crops?
The Dust Bowl
400
Which igneous rock cools within the earth- intrusive or extrusive?
intrusive
500
what is the difference between magma and lava?
Magma- within earth lava- outside of earth
500
Name 4 properties of minerals.
streak, color, fluorescence, hardness, cleavage, crystal structure
500
Name 3 everyday uses of rock.
acceptable answers
500
Name one way that farmers conserve soil?
contour planting, terracing, wind breaks
500
What nutrients are found in humus?
phosphorous and nitrogen
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