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CRCT REview 1
Test Description: CRCT
Instructions: Answer all questions to get your test result.
1) Limestone is a sedimentary rock found in South Georgia and North Florida. Limestone is easily weathered and eroded as it contains a mineral that reacts with acid rain and ground water. Which mineral found in limestone easily erodes?
A
gypsum
B
calcite
C
iron
D
quartz
2) Which of the following most likely results in the formation of a fossil?
A
A Mesozoic clam is washed up onto the beach.
B
A Mesozoic clam is buried by a mudslide.
C
A mesozoic clam is eaten by a large predatory fish
D
a Mesozoic clam lies exposed on the surface of the sea floor.
3) What happens to temperature and density from the crust to the core?
A
Stays the Same
B
Decreases (Goes Down)
C
Increases (Goes Up)
4) Organic matter in soil is made from
A
decayed plants and animals
B
weathered parent rock
C
carbon dioxide
D
acid rain
5) Extrusive Igneous rocks have small grains because they
A
cool slowly inside of a volcano
B
form by compaction and cementation
C
cool quickly outside of a volcano
D
form by heat and pressure
6) Sandstone is a sedimentary rock that forms by
A
heat and pressure
B
magma cooling quickly
C
compaction and cementation
D
weathering and erosion
7) Limestone (seashell rock) undergoes heat and pressure to form marble. Marble is a ____ rock.
A
mineral
B
sedimentary
C
igneous
D
metamorphic
8) All rocks can be broken apart by humans, weather, and biological activity (plants and animals). What does the rock become when it is broken
A
water
B
metamorphic rock
C
sediments
D
sedimentary rock
9) All rocks are composed of
A
fossils
B
layers
C
folding
D
minerals
10) Most fossils are found in
A
metamorphic rocks
B
igneous rocks
C
magma
D
sedimentary rocks
*select an answer for all questions
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