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Published byTiffany Hodge Modified over 9 years ago
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The Junk in the Air Ain’t cake but it comes in layers Name that gasProperties of Air 100 200 400 300 400 300 200 400 200 100 500 100
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Photochemical smog is created by the action of this on chemicals. What is sunlight? Category 1 Question 1
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Harmful substances in the air, water, or soil are called this. What are pollutants? Category 1 Question 2
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Particles of carbon that enter the air when wood or coal is burned are called this. What is soot? Category 1 Question 3
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Acid rain is caused by the burning of coal that contains a lot of this. What is sulfur? Category 1 Question 4
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True or False? Over the past 30 years, air quality in the United States has improved. If false, what word makes it true? True Category 1 Question 5
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The warmest layer of the atmosphere. What is the thermosphere? Category 2 Question 1
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The layer of the atmosphere that reflects radio waves. What is the ionosphere? Category 2 Question 2
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The stratosphere helps protect Earth from too much sun because it contains this. What is ozone? Category 2 Question 3
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The four main layers of the atmosphere are classified according to changes in this. What is temperature? Category 2 Question 4
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True or False? The aurora borealis occurs in the ionosphere. If false, what makes it true? True Category 2 Question 5
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The percentage of oxygen in the atmosphere. What is 21 percent? Category 3 Question 1
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A gas in the atmosphere that varies between zero and four percent in different places. What is water vapor? Category 3 Question 2
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Is the most abundant gas in the atmosphere. What is nitrogen? Category 3 Question 3
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True or false? Fires need nitrogen to burn. If false, what word makes it true? False, oxygen. Category 3 Question 4
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True or false? Altitude is the condition of Earth’s atmosphere at a particular time and place. If false, what word makes it true? What is weather? Category 3 Question 5
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The amount of mass in a given volume of a substance. What is density? Category 4 Question 1
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As the density of air decreases, its pressure… What is decreases? Category 4 Question 2
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Air pressure is measured in this type of unit. What is in millibars? Category 4 Question 3
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The force pressing on an area or surface. What is pressure? Category 4 Question 4
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Category 4 Question 5 Air pressure decreases as altitude does this. What is increases?
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