Earth And The Universe Exam Review Question Preview (ID: 38811)
Unit 1 Exam.
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When coal is burned, how long does it take for it to release carbon dioxide into the atmosphere?
a) weeks
b) days
c) hours
d) instantly
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) rocks
d) hydrogen
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 oxygen in the atmosphere
c) more water vapor in the atmosphere
d) less oxygen in the atmosphere
Earth's EARLIEST atmosphere was relatively short-lived and contained the gases _____
a) hydrogen and helium
b) ammonia and water vapor
c) nitrogen and oxygen
d) sulfur dioxide and carbon dioxide
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) collapsing stars caused supernovas that scattered the elements throughout the universe
c) Earth broke off from the sun, bringing elements with it
d) the Sun randomly emits the elements, which find their way to earth
Why are rock samples from the moon helpful in determining the relative age of the solar system?
a) because moon rocks have not gone through changes from tectonic activity
b) because moon rocks have gone through changes from tectonic activity
c) because moon rocks came from distant solar systems
d) because moon rocks by their nature change over time
Humans cannot survive without clean, fresh water. What is the source of MOST of the water in the atmosphere?
a) lakes
b) rivers
c) glaciers
d) oceans
Which atmospheric phenomena are created by the interaction of charged particles with Earth's magnetosphere?
a) auroras
b) rainbows
c) tornadoes
d) inversions
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 generates electrical currents, causing lightning
d) it attracts photons and other solar emissions to warm Earth
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 lithosphere
d) the asthenosphere
Which property of Earth's interior keeps the innermost part in a solid state?
a) low temperature
b) high pressure
c) high rate of heat flow
d) low rate of radioactive decay
Earth is composed of layers of material with different properties. Which is MOST likely to be in constant motion?
a) core
b) mantle
c) oceanic crust
d) continental crust
Which of the following may form when carbon from decayed organic matter is buried in the right geological conditions?
a) water vapor
b) oxygen
c) igneous rocks
d) fossil fuels
Which of the following BEST represents how oxygen first became prevalent in Earth's atmosphere?
a) tiny organisms used photosynthesis
b) meteorites hit Earth
c) volcanic eruptions emitted gases
d) decay of organic material
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) human burning of fossil fuels
c) chemical energy in respiration
d) heat and pressure from Earth's interior
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