Rocks And Minerals Review I: Question Preview (ID: 26392)

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What must happen to rock that formed inside Earth before it can become sediment?
a) It must reach the surface as rock above it wears away.
b) It must become magma and erupt from a volcano.
c) Heat and pressure must change it into sediment.
d) It must become sedimentary rock while inside Earth.

When limestone is exposed to enough heat and pressure, it goes through physical changes. These changes can turn limestone into a different kind of rock called marble. Which of these BEST describes marble?
a) igneous rock
b) sedimentary rock
c) metamorphic rock
d) extrusive rock

Which of the following is not a characteristic of a mineral?
a) solid
b) formed naturally
c) has a crystal structure
d) organic

When a geologist scratches a mineral sample with different materials and minerals, they are more than likely testing for
a) Streak
b) Luster
c) Density
d) Hardness

What is one negative effect of surface mining?
a) vegetation is removed, which leads to erosion
b) we are able to make products to use in our everyday lives
c) jobs are created for miners
d) mining companies replace soil, rocks, and vegetation when they are finished mining

Rocks found on Earth are generally classified as sedimentary, igneous, and metamorphic. On which basis are these classifications made?
a) where the rocks are found
b) how the rocks formed
c) the color and shape of the rocks
d) the chemical composition of the rocks

Which type of rock is most likely to be formed by the cooling of magma underground?
a) sedimentary
b) metamorphic
c) igneous
d) conglomerate

Extrusive rocks have small crystals because they
a) cool fast
b) harden underground
c) contain rare minerals
d) have a rough mixture

Which type of rock can be formed by adding heat and pressure to any of the three rock types?
a) no rock type forms this way
b) sedimentary
c) metamorphic
d) igneous

Which of the following is the raw material from which sedimentary rocks are formed?
a) weathered remains of other rocks
b) lava from volcanic eruptions
c) magma from the mantle
d) none of these

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