Chapter 15 Atmosphere Review Game

What percentage of the atmosphere is made up of Oxygen? 21%

2) What percentage of the atmosphere is made up of nitrogen? 78%

3) Why is the atmosphere important to living things 3) Why is the atmosphere important to living things? Provides all gases needed to survive

4) What is photochemical smog? Interaction of pollutants and sunlight

5) What is the biggest source of air pollution? Fossil fuels

6) When a barometer is rising what is the air pressure doing? Rising

7) When you go up in altitude what happens to the air density 7) When you go up in altitude what happens to the air density? Decreases

8) Water in the form of a gas is called: (2 words) Water vapor

11) Sulfur oxides and nitrogen oxides combine with water to produce: Acid rain

12) What does a barometer measure? Air pressure

13) Where does air pressure act on your roof? Above and below the roof

14) How is an aneroid barometer different from a mercury barometer 14) How is an aneroid barometer different from a mercury barometer? Aneroid barometers do not use a liquid

15) What happens to air pressure as altitude increases? It decreases

16) The main layers of the atmosphere are classified according to what 16) The main layers of the atmosphere are classified according to what? Temperature

17) The layer of atmosphere where weather occurs is called? Troposphere

18) List the main layers of the atmosphere from the surface up: Troposphere, Stratosphere, Mesosphere, Thermosphere

19)What does the ozone layers block? Ultraviolet light

20) Which layer is closest to outer space? Thermosphere, (exosphere)

21 Ozone gas is a form of oxygen with how many oxygen atoms? 3