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Earth And The Universe Exam Review
Test Description: Unit 1 Exam
Instructions: Answer all questions to get your test result.
1) When coal is burned, how long does it take for it to release carbon dioxide into the atmosphere?
A
instantly
B
days
C
weeks
D
hours
2) Early earth's heavy rains slowly filled low lying areas forming oceans. This reduces the water vapor in the air and the amount of ______, which dissolved in water.
A
rocks
B
hydrogen
C
carbon dioxide
D
salt
3) What is the difference between Earth's current atmosphere and its atmosphere in the past that allowed dragonflies to become much larger?
A
more water vapor in the atmosphere
B
less oxygen in the atmosphere
C
more oxygen in the atmosphere
D
more carbon dioxide in the atmosphere
4) Earth's EARLIEST atmosphere was relatively short-lived and contained the gases _____
A
sulfur dioxide and carbon dioxide
B
nitrogen and oxygen
C
ammonia and water vapor
D
hydrogen and helium
5) Scientists believe that nuclear fusion within stars creates elements, including those heavier than lithium. How did these elements appear on Earth?
A
the Sun randomly emits the elements, which find their way to earth
B
nuclear fusion also occurs inside Earth's core
C
collapsing stars caused supernovas that scattered the elements throughout the universe
D
Earth broke off from the sun, bringing elements with it
6) Why are rock samples from the moon helpful in determining the relative age of the solar system?
A
because moon rocks came from distant solar systems
B
because moon rocks have gone through changes from tectonic activity
C
because moon rocks by their nature change over time
D
because moon rocks have not gone through changes from tectonic activity
7) Humans cannot survive without clean, fresh water. What is the source of MOST of the water in the atmosphere?
A
lakes
B
glaciers
C
oceans
D
rivers
8) Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
A
inversions
B
tornadoes
C
auroras
D
rainbows
9) Earth's rotation spins Earth's liquid metal outer core around its solid metal inner core. How does this phenomenon make life on Earth possible?
A
it generates the magnetosphere
B
it generates thermal energy to keep water on Earth liquid
C
it attracts photons and other solar emissions to warm Earth
D
it generates electrical currents, causing lightning
10) Which part of Earth's structure exists in the solid phase due to low temperatures?
A
the inner core
B
the outer core
C
the asthenosphere
D
the lithosphere
11) Which property of Earth's interior keeps the innermost part in a solid state?
A
low rate of radioactive decay
B
high rate of heat flow
C
low temperature
D
high pressure
12) Earth is composed of layers of material with different properties. Which is MOST likely to be in constant motion?
A
oceanic crust
B
continental crust
C
core
D
mantle
13) Which of the following may form when carbon from decayed organic matter is buried in the right geological conditions?
A
igneous rocks
B
oxygen
C
fossil fuels
D
water vapor
14) Which of the following BEST represents how oxygen first became prevalent in Earth's atmosphere?
A
meteorites hit Earth
B
decay of organic material
C
tiny organisms used photosynthesis
D
volcanic eruptions emitted gases
15) Which of the following sources of energy drives the movement of carbon from biological reservoirs in organic matter to chemical reservoirs in fossil fuels?
A
solar energy directly from the sun
B
chemical energy in respiration
C
human burning of fossil fuels
D
heat and pressure from Earth's interior
*select an answer for all questions
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