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Eberhard Sci. Ch. 5
Eberhard Science Ch. 5 Weather
| Question | Answer |
|---|---|
| Name four weather conditions. | temperature, wind speed, wind direction, precipitation |
| Define temperature | the condition of how hot or cold the air is |
| How is temperature measured? | using a thermometer, in degrees Fahrenheit or Celsius. |
| Define wind speed. | the condition of how fast the wind is moving |
| How is wind speed measured? | using an anemometer which counts how many times the cups spin in a certain amount of time |
| Define wind direction. | the condition determined by where the wind is coming from |
| How is wind direction determined? | a wind or weather vane points to the direction that the wind is coming from |
| Define precipitation. | the condition of the type of water falling ot Earth from the clouds |
| How is precipitation measured? | by a rain gauge in inches |
| What is evaporation? | liquid water becoming a gas |
| What is water vapor? | water in gas form |
| What causes evaporation? | the Sun's energy (heat) |
| What is condensation? | water vapor changing back to droplets of liquid water. |
| What causes condensation? | when the air temperature cools |
| Give several examples of condensation. | dew, fog, your breath on a cold day, bathroom mirrors after a hot shower |
| What is precipitation? | any form of water that falls from the clouds |
| Name 4 types of precipitation. | rain, hail, sleet, snow |
| What does the air temperature have to be for it to sleet, snow, or hail? | freezing |
| What is runoff? | the precipitation that falls on land surfaces and attempts to return to the ocean or lakes |
| Describe cumulus clouds. | puffy, lumpy-looking, often with a flat bottom |
| What weather do cumulus clouds bring? | When dark, they bring rain. When white, they do not bring rain. |
| Describe cirrus clouds. | high, thin, wispy, made of ice crystals |
| What weather do cirrus clouds indicate? | fair weather |
| Describe stratus clouds. | thick layers, low, spread out covering a large area |
| How do clouds form? | Clouds form when water vapor in the air rises, cools, and condenses, forming water droplets |
| What is a cloud? | a collection of tiny liquid water droplets |
| What are meteorologists? | scientists who get information from a variety of sources and use them to make predictions about the weather |
| What are fronts? | lines between air masses |
| What happens to the air temperature when a warm front passes over an area? | it warms up |
| What happens to the air temperature when a cold front passes over an area? | it cools off |
| What 2 weather conditions can be found on a weather map? | temperature and precipitation |
| What kind of air temperature might winds blowing down from the north bring? | cold |
| What are the characteristics of a thunderstorm? | A severe storm with lightning, thunder, heavy rain and strong winds. |
| What are some effects of a thunderstorm? | flooding, fires, strong winds can blow over trees or power lines |
| What should you do during a thunderstorm? | Stay inside, out of the water, don't stand under trees |
| What is a tornado? | A small, funnel-shaped cloud that comes down from a storm cloud with winds spinning at very high speeds. |
| What are some effects of a tornado? | high winds can tear apart buildings |
| What should you do during a tornado? | Find a safe place away from windows, if outside, lie in a ditch or other low place, don't stay in a car |
| What is a hurricane? | A large storm that forms over warm ocean water with very strong winds that blow in a circular pattern around the center, or eye, of the storm. |
| What are some effects of a hurricane? | high winds that can blow over trees and buildings, flooding, storm surges(high waters on the coast) |
| What should you do if a hurricane is coming? | Board up windows, stay away from windows, move further inland if you are near the coast. |
Created by:
betheb
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