Physical Science Module 2
13 Questions
| Total Attempts: 313
This is a modification of the Module test. Enjoy!
Questions and Answers
- 1.The moisture content of air is
- A.
Greenhouse effect
- B.
Humidity
- C.
Evaporation
- D.
Sweating
- 2.The mass of water vapor contained in a certain volume of air is known as
- A.
Absolute humidity
- B.
Relative humidity
- C.
Saturated
- D.
Heat index
- 3.The ratio of the mass of water vapor in the air at a given temperature to the maximum mass of water vapor the air could hold at that temperature, expressed as a percentage is know as _______________
- A.
Absolute humidity
- B.
Relative humidity
- C.
Saturated
- D.
Heat index
- 4.The process by which certain gases trap heat that radiates from the earth is known as ____________________________
- A.
Humidity
- B.
Heat index
- C.
Greenhouse effect
- D.
Gas bubble trap
- 5.The gases responsible for trapping heat that raduates from earth are water vapor, carbon dioxide, methane and ethanol.
- A.
True
- B.
False
- 6.Water evaporates more slowly under conditions of ____________________
- A.
High humidity
- B.
Low humidity
- C.
High temperatures
- D.
Windy
- 7.What gas makes up the majority of the gas we inhale?
- A.
Oxygen
- B.
Nitrogen
- C.
Carbon dioxide
- D.
Argon
- 8.The purpose of ozone is to __________________.
- A.
Allow aerosol hairsprays to produce holding power
- B.
Allow ultraviolet light to warm the earth
- C.
Block ultraviolet light from the sun
- D.
Provide the basic building block for the p-zone
- 9.For good health, should we increase of decrease the concentration of ground level ozone in the air?
- A.
Increase
- B.
Decrease
- C.
Neither
- D.
Both
- 10.The average temperature of the earth has increased significantly in the past 80 years.
- A.
True
- B.
False
- 11.Convert 1% into ppm.
- A.
1 ppm
- B.
100 ppm
- C.
1000 ppm
- D.
10,000 ppm
- 12.What pollutant concentration was decreased by the mandate of catalytic converters?
- A.
Carbon monoxide
- B.
Carbon dioxide
- C.
Carbon trioxide
- D.
Hydrogen peroxide
- 13.The rate a certain substance burns will increase when the oxygen level increases.
- A.
True
- B.
False
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