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Study Guide Chapter 8
1. What tool is used to measure relative humidity? – Psychrometer
2. What are the 2 parts of a psychrometer? – wet bulb thermometer and a dry
bulb thermometer
3. What are the 2 conditions for cloud formation?- presence of particles in the
air and the cooling of air
4. Large clouds that produce thunderstorms are called?- cumulonimbus
clouds
5. Water that falls from clouds is called what? – precipitation
6. Know the difference between sheet and hail- the size of the ice pellets and
where the ice pellets are formed
7. What air mass produces cold, dry air in the winter?- contienental polar air
masses
8. What kind of air mass would form over northern Mexico?- hot and dry
9. When a cold air mass takes over a warm air mass, this is
called what? cold front
10. When a warm air mass overtakes a cold air mass, this is called what? warm
front
11. When a warm air mass and a cold air mass meet and neither can move the
other it is called what? stationary front
12. Know the difference between a cyclone and an anti-cyclone. The direction of
their winds
13. What weather patterns occur with an anti-cyclone? Dry and clear
14. Know what a tornado is: a funnel shaped cloud that touches Earths
surface
15. What kind of clouds to thunderstorms form in. large cumulonimbus clouds
16. Where do hurricanes typically form? Warm ocean water
17. What is the eye of a hurricane? Is calm
18. What is a storm surge? The dome of water that sweeps across the coast
where a hurricane lands.
19. What is a storm? Violent disturbance in the atmosphere
20. Where should you go during a tornado? The basement of a well built
building
21. What is so dangerous about snowstorm? High winds
22. What is a safe place to be during a thunderstorm? Crouching in a low area
23. If you were to evacuate during a hurricane, where should you go? Leave the
area temporarily
24. Who is a meteorologist? Scientists who study weather and try to predict
it.
25. What source of weather data would enable a meteorologist to follow the path
of a thunderstorm? Radar