Earth's Changing Climate Question Preview (ID: 56130)
Unit Test Review.
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What is the atmosphere made of?
a) oxygen and water vapor
b) a mixture if carbon dioxide and methane
c) a mixture of evenly distributed gas molecules
d) clouds and a mixture of oxygen and carbon dioxide
Which feature absorbs more energy as it enters the Earth system?
a) gases in the atmosphere
b) land or water
c) the polar ice caps
d) sand in a desert
What would happen to the energy in the Earth system if the amount of methane gas decreased in the atmosphere?
a) the energy absorbed by the surface decreases so the temperature decreases.
b) the energy absorbed by the surface increases so the temperature increases.
c) the energy absorbed by the surface increases so the the surface ice increases.
d) there is no change to the surface temperature or energy absorbed by the surface.
The up and down zig zags on a line graph over a short period of time represent?
a) segments
b) fluctuations
c) trends
d) functions
What do we know about the energy absorbed in an area if the area was covered with ice?
a) Ice is less reflective so less energy is absorbed.
b) Water is less reflective so more energy is absorbed.
c) Land is more reflective so less energy is absorbed.
d) Ice is more reflective so less energy is absorbed.
What do we know about the amount of energy absorption when carbon dioxide levels increase in our atmosphere?
a) When carbon dioxide increases the temperatures decrease and surface ice decreases.
b) When carbon dioxide increases the energy absorbed decreases.
c) When carbon dioxide increases the temperature increases and surface ice decreases.
d) An increase of carbon dioxide gas in the atmosphere has little effect on temperature.
There have been times in Earth's history that it was very hot and very cold.
a) True
b) False
c) I don't know
d) Maybe?
What happens when energy hits sulfur dioxide?
a) Sulfur dioxide allows energy to pass right through it.
b) Sulfur dioxide redirects the energy back to the surface of the Earth.
c) Sulfur dioxide stope energy from leaving our Earth.
d) Sulfur dioxide stops energy from entering the Earth system by redirecting energy back to space.
What would happen to the energy in the Earth system if the amount of methane gas increased in the atmosphere
a) When methane increases the temperature increases and surface ice decreases.
b) When methane increases the temperatures decrease and surface ice decreases.
c) When methane increases the energy absorbed decreases.
d) An increase of methane gas in the atmosphere has little effect on temperature.
What do we know about the amount of energy entering and exiting the Earth system when the amount of carbon dioxide decreases?
a) When carbon dioxide gas decreases, energy absorbed increases and temperatures increase.
b) When carbon dioxide gas decreases the amount of surface ice decreases.
c) When carbon dioxide gas decreases, energy absorbed decreases and temperature decreases
d) When carbon dioxide gas decreases there is no effect on energy on the Earth's surface.
When looking at evidence, what do we need to consider to determine if the evidence is of high quality?
a) Data over a long enough time period to show a trend offers stronger, more convincing evidence.
b) Data over a short time period shows stronger and more convincing evidence.
c) Looking at data does not give any evidence.
d) Data that shows fluctuations gives the best evidence.
If more energy entered the Earth system than exited, that could mean what?
a) Temperature decreases if more energy enters than exits.
b) Temperature increases if more energy exits than enters.
c) Temperature increases if more energy enters than exits
d) The temperatures will stay the same if more energy enters than exits.
Global average temperature increases as the amount of energy ____________ by the surface increases.
a) Absorbed
b) Reflected
c) Increased
d) Passed through
Global climate change is increasing because of ________.
a) Energy entering the atmosphere.
b) Energy changing in the atmosphere.
c) Energy being trapped in the atmosphere.
d) Energy mixing with gases in the atmosphere.
Rising average temperatures lead to more extreme ______.
a) Rain and droughts
b) Tornadoes
c) Hurricanes
d) All of the above
Glaciers cause sea levels to rise when _____.
a) The snow builds up on the glacier making it larger.
b) They melt faster than they are built.
c) They float and make the water rise.
d) They do not cause sea levels to rise.
What is one reason that carbon dioxide is increasing in the atmosphere today?
a) There are more volcanoes than there were in the past.
b) People are riding bicycles instead of driving cars.
c) People are using solar power.
d) There are more people doing things that use combustion.
What can humans do to help keep carbon dioxide and methane in Earth’s atmosphere from increasing?
a) Drive their cars less often
b) Eat less meat so that fewer livestock need to be kept
c) All of them
d) Use more solar power and wind power for our electricity.
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