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Climate Science Practice Quiz
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True or False: Until recent history, carbon dioxide levels have never risen above 300 ppm in the last 800,000 years.
1 point
True
False
Scientists cannot measure carbon dioxide going that far back, so we are not sure.
Clear selection
Where does wind come from
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1 point
The motion of ocean waves
Birds flapping their wings
The moon's gravitational pull on our atmosphere
Shifting temperature currents
What is thermal expansion?
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1 point
With a rise in global temperatures, insects are able to continue their growth to sizes 1.5x what we currently see
Water molecules stay further away from each other so the water column expands
The hotter atmospheric air contains more energy and can expand over a larger area
Lukewarm water contains less energy than the underlying open ocean water
What percentage of scientists agree that climate change is human caused?
1 point
99%
79%
51%
33%
Scientists don't agree on this
Clear selection
Why is "a pink sky at night" a sailors delight?
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1 point
Water vapor is tinting the sky pink in the West, so the air is typically dry at your location
Poseidon, god of the oceans and king of the sailors, has sent a blessing
The water vapor in the sky is over your head, and sailors love rainy weather
It's just a legend and doesn't have any scientific grounding
The following tweet demonstrates misunderstanding of which concepts?
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1 point
Weather is the short-term conditions in an area.
Climate is measured over a 30-year period.
Global warming, or an overall temperature increase, is only one aspect of climate change.
What is the primary cause of climate change?
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1 point
Natural fluctuations in the climate over time
Sea ice is melting, so there is less ice to cool the planet
Changing weather patterns over 30 year intervals
Human activities
True or false: places closer to the North and South poles = hotter temperatures
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1 point
True
False
What is the difference between low and high pressure? Choose all the apply.
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1 point
Low pressure air rises, cools and condenses. High pressure air sinks, warms and dries out.
High pressure air rises, cools and condenses. Low pressure air sinks, warms and dries out.
Low pressure is associated with clouds, wind and rain weather. High pressure is associated with few clouds and sunny weather.
High pressure is associated with clouds, wind and rain weather. Low pressure is associated with few clouds and sunny weather.
Other:
True or false: Carbon Dioxide, Methane, Nitrous Oxide are asymmetrical and vibrate due to infrared light?
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1 point
True
False
Which of the statement(s) are true regarding the greenhouse effect?
1 point
The greenhouse effect is a natural part of Earth's systems.
Gases like carbon dioxide absorb solar radiation and release it as heat which is trapped by Earth's atmosphere.
Greenhouse gases vibrate and have an asymmetrical shape in order to absorb solar radiation.
Burning fossil fuels releases more greenhouse gases into the air which increases the greenhouse effect.
How does climate change affect agriculture in Iowa?
1 point
Higher temperatures means a longer growing season.
Pigs and other livestock are affected by dangerously high temperatures.
Increased precipitation will reduce the frequency of droughts, so farmers can use less water for irrigation.
Increased flooding causes soil erosion.
Clear selection
The weather forecast says that a high pressure system is moving over Iowa City. What kind of weather can we expect?
1 point
Sunny skies because the high pressure system pushes air down so fewer clouds form.
Sunny skies because the high pressure system causes air to rise where it evaporates into the atmosphere.
Storms because the high pressure system pushes air and rain down from the clouds.
Storms because the high pressure system causes air to rise, forming clouds and rain.
Other:
Clear selection
How will climate change affect Iowa?
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1 point
Lower temperatures
Decreased soil erosion and water runoff
Increased precipitation
Increase in human health problems related to heat and air pollution
If Iowa experiences a few days of warm weather within their typical sub-zero winter temps, where can we guess it came from?
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1 point
The South
The North
The East
It doesn't have anything to do with direction
What is the most common greenhouse gas?
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1 point
Methane
Carbon dioxide
Carbon monoxide
Ozone
In the United States, why is the Pacific Ocean colder than the Atlantic Ocean (Remember L.O.W.E.R.)?
1 point
The Gulf Stream carries Arctic air down to the Pacific Coast and tropical air up to the Atlantic Coast.
The air masses on the Pacific Coast usually move from north to south, bringing cold air from Canada.
More of the Atlantic Ocean is at tropical latitudes so this heats the overall ocean temperature.
The Pacific Coast is at a higher altitude so it has cooler temperatures than the Atlantic Coast.
Clear selection
True or false: Climate change and global warming are interchangeable words.
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1 point
True
False
True or false: high pressures bring clear skies and fair weather?
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1 point
True
False
Which is the best example of albedo?
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1 point
Greenhouse gases such as carbon dioxide absorb solar radiation which leads to global warming.
Melting ice and glaciers add water to the oceans which leads to sea level rise.
Earth's atmosphere acts as a blanket that insulates the planet.
Ice reflects solar radiation while land and water absorb the Sun's heat.
True or False: Melting glaciers on Greenland, an island, contribute to sea level rise.
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1 point
True
False
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