CRCT REview 1: Question Preview (ID: 18520)

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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) calcite
b) iron
c) gypsum
d) quartz

Which of the following most likely results in the formation of a fossil?
a) a Mesozoic clam lies exposed on the surface of the sea floor.
b) A Mesozoic clam is washed up onto the beach.
c) A mesozoic clam is eaten by a large predatory fish
d) A Mesozoic clam is buried by a mudslide.

What happens to temperature and density from the crust to the core?
a) Decreases (Goes Down)
b) Increases (Goes Up)
c) Stays the Same

Organic matter in soil is made from
a) weathered parent rock
b) acid rain
c) carbon dioxide
d) decayed plants and animals

Extrusive Igneous rocks have small grains because they
a) cool quickly outside of a volcano
b) cool slowly inside of a volcano
c) form by heat and pressure
d) form by compaction and cementation

Sandstone is a sedimentary rock that forms by
a) magma cooling quickly
b) heat and pressure
c) weathering and erosion
d) compaction and cementation

Limestone (seashell rock) undergoes heat and pressure to form marble. Marble is a ____ rock.
a) sedimentary
b) igneous
c) metamorphic
d) mineral

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) sediments
b) sedimentary rock
c) metamorphic rock
d) water

All rocks are composed of
a) fossils
b) minerals
c) layers
d) folding

Most fossils are found in
a) igneous rocks
b) metamorphic rocks
c) sedimentary rocks
d) magma

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