Jan 18, 2016
The Junk in the Air Ain’t cake but it comes in layers Name that gas Properties of Air
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Photochemical smog is created by the action of
this on chemicals.
What is sunlight?
Category 1Question 1
Harmful substances in the air, water, or soil are called this.
What are pollutants?
Category 1Question 2
Particles of carbon that enter the air when wood or coal is burned are called this.
What is soot?
Category 1Question 3
Acid rain is caused by the burning of coal that contains
a lot of this.
What is sulfur?
Category 1Question 4
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 1Question 5
The warmest layer of the atmosphere.
What is the thermosphere?
Category 2Question 1
The layer of the atmosphere that reflects radio waves.
What is the ionosphere?
Category 2Question 2
The stratosphere helps protectEarth from too much sun because it contains this.
What is ozone?
Category 2Question 3
The four main layers of the atmosphere are classified
according to changes in this.
What is temperature?
Category 2Question 4
True or False?The aurora borealis occurs in
the ionosphere.
If false, what makes it true?
True
Category 2Question 5
The percentage of oxygen in the atmosphere.
What is 21 percent?
Category 3Question 1
A gas in the atmosphere that varies between zero and four
percent in different places.
What is water vapor?
Category 3Question 2
Is the most abundant gas in the atmosphere.
What is nitrogen?
Category 3Question 3
True or false?Fires need nitrogen to burn.
If false, what word makes it true?
False, oxygen.
Category 3Question 4
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 3Question 5
The amount of mass in a givenvolume of a substance.
What is density?
Category 4Question 1
As the density of air decreases, its pressure…
What is decreases?
Category 4Question 2
Air pressure is measuredin this type of unit.
What is in millibars?
Category 4Question 3
The force pressing on an area or surface.
What is pressure?
Category 4Question 4
Category 4Question 5
Air pressure decreases as altitude does this.
What is increases?