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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
instantly
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
carbon dioxide
C
hydrogen
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 carbon dioxide in the atmosphere
B
less oxygen in the atmosphere
C
more oxygen in the atmosphere
D
more water vapor in the atmosphere
4) Earth's EARLIEST atmosphere was relatively short-lived and contained the gases _____
A
sulfur dioxide and carbon dioxide
B
ammonia and water vapor
C
nitrogen and oxygen
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
nuclear fusion also occurs inside Earth's core
B
Earth broke off from the sun, bringing elements with it
C
the Sun randomly emits the elements, which find their way to earth
D
collapsing stars caused supernovas that scattered the elements throughout the universe
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 not gone through changes from tectonic activity
C
because moon rocks have gone through changes from tectonic activity
D
because moon rocks by their nature change over time
7) Humans cannot survive without clean, fresh water. What is the source of MOST of the water in the atmosphere?
A
glaciers
B
lakes
C
rivers
D
oceans
8) Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
A
rainbows
B
tornadoes
C
auroras
D
inversions
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 attracts photons and other solar emissions to warm Earth
B
it generates thermal energy to keep water on Earth liquid
C
it generates electrical currents, causing lightning
D
it generates the magnetosphere
10) Which part of Earth's structure exists in the solid phase due to low temperatures?
A
the inner core
B
the lithosphere
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 rate of radioactive decay
C
high rate of heat flow
D
low temperature
12) Earth is composed of layers of material with different properties. Which is MOST likely to be in constant motion?
A
continental crust
B
oceanic 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
oxygen
B
fossil fuels
C
water vapor
D
igneous rocks
14) Which of the following BEST represents how oxygen first became prevalent in Earth's atmosphere?
A
decay of organic material
B
tiny organisms used photosynthesis
C
volcanic eruptions emitted gases
D
meteorites hit Earth
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
heat and pressure from Earth's interior
D
human burning of fossil fuels
*select an answer for all questions
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