Weather Patterns
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What 2 gasses is the atmosphere made of? | Nitrogen and oxygen
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| As you go up through the atmosphere what happens to the air pressure? Why? | The air pressure decreases because gas particles get farther apart
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| In what layer of the atmosphere will you find weather conditions? | Troposphere
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| Why does the air above land and water have different temperatures? | land and water heat and cool at a different rate
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| Define: Convection current | gases or liquids rise and slide in a circular path
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| Winds generally blow in which direction across the United States? | West to East
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| How do convection currents relate to the water cycle? | Convection currents and water cycle relate because they both have condensation and precipitation.
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| Define: Air Mass | large body of air with similar properties through it
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| Define: Front | a boundary
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| What kind of air causes precipitation at fronts? | cold air
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| Explain what happens during a cold front | Cold air forces warm air to rise quickly. The rising air forms clouds. Clouds make precipitation
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| Explain what happens during a warm front | warm air out of the area moves against cooler air. The warm air gradually rises above the cooler air. The clouds move slowly and cause longer periods of precipitation.
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| Explain what happens at a stationary front | A front that does not move very much and it moves back and forth over the same area
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| Name 4 types of severe weather | thunderstorms, tornadoes, hurricanes, and blizzards
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| How does a thunderstorm form? | 1. All currents rise up
2. Currents are moving both up and down
3. All currents move down precipitation
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| How does a hurricane form? | When air rolls between 2 layers of wind moving in different directions
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| How does a tornado form? | Air rolls between two layers of winds
The rolling air is turned so it stands upright and becomes a tornado
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| What should you do to be prepared for severe weather? What items would be important to have? | Board up your windows, store food and water, have flashlights and battery powered radios available, stay inside
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| Define: Barometer | air pressure
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| Define: Anemometer | wind speed
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| Define: Rain gauge | rain fall
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| In what direction across the United States do weather fronts usually move? | West to East
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| High Air Pressure (symbol for) | H
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| Low Air Pressure (symbol for) | L
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| Cold Front (symbol for) | spikes down
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| Stationary Front (symbol for) | spikes up and humps down
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| Sunny (symbol for) | Sun
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| Cloudy (symbol for) | Cloud
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| Thunderstorms (symbol for) | Cloud with lightening
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| Define: Climate | average of weather conditions over a long period of time
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| Compare and contrast weather and climate | Weather is day to day. Climate is weather for a long time. Weather and climate are similar because it is both weather conditions, different because of the length of time. Climates do not change as much as daily temperature does.
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| What are 2 things that can affect climate? | Oceans and land forms
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| How are climates determined? | Climates are determined by many years of weather
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| Name 3 events that can change an areas climate | The sun's energy, volcanic eruptions, and asteroid or meteorite impacts
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Created by:
blazegreen
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