Download Chapter 16 Weather Review 2015

Weather – Ch. 16 Review
1. When temperatures are low, molecules in the air move
a. Fast
b. Slowly
c. Same speed
2. The amount of water vapor in the air compared to the
amount needed for saturation is known as ______________________.
3. The temperature at which the air is saturated and
condensation forms is its ____________________.
4. Warm air has (less/more) atmospheric pressure. It is
(less/more) dense.
5. If 1 pound of air can hold a maximum of 10 pounds of water
vapor, but now only has 2 pounds of water vapor, what is its
relative humidity? ____________.
6. Clouds form when (warm/cool) air is forced (up/down)
and water vapor _______________.
Dew Point
Condenses
Evaporates
Relative Humidity
50%
20%
7. Clouds associated with rain or snow usually have the word
_________________.
8. Thunderstorm clouds are called _____________________________.
9. ____________________________clouds bring long, steady rain or
snow fall.
10. When water droplets form around dust particles and
become heavy and fall this is known as _______________________.
11. A large body of air that has properties similar to the part of
Earth’s surface over which it develops is known as a(n) ________.
12. Winds blow from areas of (high/low) pressure to areas of
(high/low) pressure.
13. Each air mass has the same_______________ and _______________.
14. Air masses over Northern coastal areas are known as _____.
Nimbostratus Maritime
Air Mass
Precipitation Relative
Polar
Humdity
Temperature Nimbus
Cumulonimbus
15. An instrument used to measure air pressure is a __________.
16. Weather at low-pressure areas is generally (fair/stormy).
17. A boundary between two air masses of different density,
moisture, or temperature is known as a _______________.
18. Warm fronts are (low to the ground/high in the sky).
19. The arrow on a wind vane points north- east. This means
the wind is blowing from (North-East/South-West).
20. On a weather map, the red half circles indicate a
(warm/cold) front; the blue triangles indicate a (warm/cold)
front.
21. Hurricanes are categorized by their ___________________.
22. A violently, rotating column of air is a _________________.
23. ____________________ are caused when warm, moist air is
forced upward where it cools and condenses.
Tornado
Anenometer
Wind speed
Barometer
Thunderstorm Hurricane
Front
Air Mass
24. Lines that connect points of equal temperature on a
weather map are called____________________.
25. Lines that connect points of equal atmospheric pressure on
a weather map are called_________________.
26. Most of Earths atmosphere is made up of what gas?________
27. Clouds form in what layer of the atmosphere?____________
28. The gas that has the greatest effect on the weather is______.
29. Most of the Sun’s energy travels through space through
what process?_____________
30. Water vapor enters Earth’s atmosphere through
_____________ and _____________________.
Nitrogen
Precipitation
Radiation Evaporation Oxygen
Troposphere Transpiration Isotherms Isobars
Water
vapor