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a violent disturbance in the atmosphere |
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Heavy rain storms with thunder and lightning |
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Storm common during warm, humid summers |
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Usually form in the afternoon, because the land below the storm has heated up during the day and warmed the air above. |
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The clouds that lead to thunderstorms |
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A sudden bright flash of light, produced by a discharge of electricity in the atmosphere. |
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Occurs when opposite electrical charges (+ & -) separate within a cloud and the ground. |
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The result of lightning hitting the ground. |
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A violently rotating column of air. They can destroy anything in their path. |
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Windspeeds of this can top 250 mph or more |
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800-1000 of these occur in the US each year. |
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Last about 10 minutes, but sometimes even 25 minutes. |
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An area of the Great Plains, that has hundreds of Earth's most violent storms each year. |
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The largest and most destructive storm. |
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Large spiraling tropical storms, that form over warm water. |
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Travel thousands of miles, and last more than a week. |
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Reach wind speeds at 186 mph. |
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The calm center of a hurricane |
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The Most intense and violent part of a hurricane |
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almost all the energy from the Earth comes from the sun and it is called radiant energy |
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the measure of the force of air pushing down on the Earth's surface (the higher you are in the atmosphere, the less air pressure there is) |
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Winds that travel short distances. |
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Winds that travel Longer distances |
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water that cycles around the planet and gives us our clouds and precipitation |
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Winds, Moisture, Air Pressure, Heat Energy |
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Definition
The factors that cause weather |
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The water vapor in the air |
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Three main types of clouds |
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Definition
Look like piles of cotton balls, and show fair weather. If they get larger and darker, they can produce thunderstorms. |
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feather-like clouds. High in the sky and are made mostly of ice crystals. |
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Any water that falls from the Earth. Examples are, rain, hail, and even snow. |
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Substances that are liquids and gasses, that can expand when they heat up. |
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True or False?
Air is a type of fluid (true or false) |
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True or False?
When air is heated, its density decreases (true or false) |
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True or False?
Cold/cool air rises above warm air underneath. (true or false) |
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Daily conditions of Earth's atmosphere |
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Occurs in the troposphere |
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air moves from an area of high pressure to an area of low pressure |
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What the weather is like for a long period of time |
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How water moves around our planet |
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Made by the sun warming the surface of Earth, while the Earth is tilted. |
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How long does it take for the earth to revolve the sun? (including leap years) |
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The imaginary line that passes through the North and South Pole. |
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The imaginary line the stretches across Earth. |
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The first day of spring is called the... |
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When does autumn begin in the Northern hemisphere? |
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The first day of winter is the... |
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Where is it hardly affected by the tilt of Earth in seasons? |
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A storm caused by when a cold front meets a warm front. They can turn into a thunderstorm. |
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Made by rainstorms, and can cause lightning and thunder. |
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The most destructive storm. |
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The lowest layer of earths atmosphere, weather occurs here. |
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The second-lowest layer of Earth's atmosphere |
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Protective layer in atmosphere that shields earth from UV radiation. |
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The middle of the atmosphere, (third layer) |
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The second uppermost layer of the atmosphere. |
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consists of three oxygen atoms instead of two. |
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Upper part of the stratosphere. Contains 90% of atmospheric ozone |
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78% Nitrogen, 21% oxygen, 1% other gases |
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What are the gasses that make up the air in Earth's Atmosphere? |
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How does the Earth's atmosphere stay in place? |
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