1. Ch.15-17 Study Guide Answers

2. Section 1
The ozone layer is located in the _______.
Stratosphere

3. Section 1
As you move upward through the atmosphere, the temperature ____________________.
Varies

4. Section 1
The Earth's atmosphere is divided into four layers based on _____________________.
Temperature changes

5. Section 1
The _______________ is the atmospheric layer immediately above the troposphere
Stratosphere

6. Section 1
The uppermost atmospheric layer is the _____________________.
Thermosphere

7. Section 2
Near the Earth's surface, air is heated by _________________________.
Conduction

8. Section 3
Most of the United States is located in which prevailing wind belt?
Westerlies

9. Section 3
Wind occurs because air tends to move from regions of higher to lower _______________.
Pressure

10. Section 3 Wind is created by differences in _______________________.
Air pressure

11. Section 3
Each hemisphere has ________________ wind belts as a result of pressure differences. 3

12. Section 3 Describe land breezes.
Air over the water is warmer, which creates an area of low pressure

13. Section 3
During the day, warm air from a valley moves upslope, creating a ___________________.
Valley breeze

14. Section 4
____________________ is the amount of water vapor or moisture in the air.
Humidity

15. Section 4
What device measures relative humidity?
Psychromoter

16. Section 4
Before condensation can occur, what must the relative humidity be?
100%

17. Section 5
A front that forms when a warm air mass is trapped between cold air masses and forced to rise is called ___________________.
Occluded front

18. Section 5
A ____________________ air mass is a cold air mass that forms over the polar regions.
Polar (P)

19. Section 5
To measure air pressure most accurately, you should use a mercury __________________.
Barometer

20. Section 5
A ________________ air mass is a dry air mass that forms over land.
Continental (c)

21. Section 5
________________ occurs when a cold air mass meets and displaces a warm air mass.
Cold front

22. Section 6
What device is used to measure wind speed?
Anemometer

23. Section 7
The tilt of Earth as it orbits around the sun causes ____________________.
Different seasons

24. Section 7
What climate zone has the coldest average temperature?
Polar

25. Section 7 Climate zones are determined by ____________________.
Temperature ranges

26. Section 7
If one side of a mountain resembles a dry desert, we call this a __________________.
Rain shadow

27. Section 7
As elevation increases, atmosphere becomes _____________________.
Less dense and temperature decreases

28. Section 8
What biome contains the greatest number of plant and animal species?
Rain forest

29. Section 8
The polar regions receive almost 24 hours of daylight in the _______________.
Summer

30. Section 8
During our winter months, the Southern Hemisphere has ________________.
High temperatures, longer days

31. Section 8
What biome tends to be very hot in the daytime and very cold at night?
Temperate desert