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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
days
B
hours
C
instantly
D
weeks
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
carbon dioxide
B
salt
C
hydrogen
D
rocks
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 carbon dioxide in the atmosphere
B
more water vapor in the atmosphere
C
less oxygen in the atmosphere
D
more oxygen in the atmosphere
4) Earth's EARLIEST atmosphere was relatively short-lived and contained the gases _____
A
hydrogen and helium
B
sulfur dioxide and carbon dioxide
C
ammonia and water vapor
D
nitrogen and oxygen
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
collapsing stars caused supernovas that scattered the elements throughout the universe
C
Earth broke off from the sun, bringing elements with it
D
nuclear fusion also occurs inside Earth's core
6) Why are rock samples from the moon helpful in determining the relative age of the solar system?
A
because moon rocks have gone through changes from tectonic activity
B
because moon rocks have not gone through changes from tectonic activity
C
because moon rocks by their nature change over time
D
because moon rocks came from distant solar systems
7) Humans cannot survive without clean, fresh water. What is the source of MOST of the water in the atmosphere?
A
rivers
B
glaciers
C
oceans
D
lakes
8) Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
A
tornadoes
B
auroras
C
inversions
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 electrical currents, causing lightning
B
it attracts photons and other solar emissions to warm Earth
C
it generates thermal energy to keep water on Earth liquid
D
it generates the magnetosphere
10) Which part of Earth's structure exists in the solid phase due to low temperatures?
A
the lithosphere
B
the inner core
C
the outer core
D
the asthenosphere
11) Which property of Earth's interior keeps the innermost part in a solid state?
A
high pressure
B
low temperature
C
high rate of heat flow
D
low rate of radioactive decay
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
fossil fuels
C
water vapor
D
oxygen
14) Which of the following BEST represents how oxygen first became prevalent in Earth's atmosphere?
A
decay of organic material
B
meteorites hit Earth
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
human burning of fossil fuels
B
solar energy directly from the sun
C
chemical energy in respiration
D
heat and pressure from Earth's interior
*select an answer for all questions
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