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Weather + Climate
Notes to study for science test.
| Topic | More Information |
|---|---|
| Weather In General | Air+Heat+Moisture (although not necessarily in that order) =Weather. Weather is the state of the atmosphere right now, at a particular time and place. |
| Main Point(s) To Remember | The sun warms the Earth and air, and the Earth is warmed most at the equator, and least at the poles. The air above land is warmed more quickly than the air above water. |
| Wind Movement | Wind starts with the uneven heating of Earth's surface. The warm air follows the cool air to warm it, and this is how wind occurs. |
| What Causes Winds | 1. Horizontal air movement of high-pressure-warm-air to low-pressure-cool-air. 2. Distance in pressures. |
| Measurement of Wind | Wind is measured by direction and speed. The tool we use to measure wind is the anemometer. |
| Wind Chill | This is just like it sounds-a chilling wind. Wind causes an energy transfer and cools things faster. |
| Global Winds/Jet Streams | Jet streams go from west to east. They are when winds 10 kilometers above the surface blow. |
| Fronts In General | Fronts are the boundary(s) between two air masses. There are two main types of fronts, warm and cold fronts. (I think) warm fronts typically last longer. |
| Warm Fronts | With these, large moisture bands form. Warm air slides over departing cold air to get things going. This happens, of course, in a low pressure area. |
| Cold Fronts | With these, narrow bands of violent storms form. Cold air slides under warm air here, in a low pressure area. |
| Isobars | The white lines on a map are isobars. Isobars symbolize pressure. For example, if the isobars are close together, it means (wind(?)or) lower pressure, but if the isobars are farther apart, it means higher pressure in that area. |
| Air Pressure | High pressure on a map is a big blue H, and it means nice, sunny days in that area. Low pressure on a map is a big red L, and it means bad, cloudy, windy, stormy days. |
| Types Of Clouds | 1. Cumulous 2. Stratocumulous 3. Cirrocumulous 4. Stratus |
| Weather Tracking | Things to check (for) are: winds, air pressure,cloud cover, precipitation, visibility, dew point, humidity, "looks like/is", and temperature. |
| Atmosphere | The layer of the atmosphere important to weather is the Troposphere, which is where the weather occurs. The Troposphere is between sea level and 10 miles up from sea level. |
| Water Vapor Experiment | There is water vapor in the air, and we proved it with the help of heat, evaporation, and condensation. |
| Layering Of Hot And Cold Water And Air | Cold water is the most dense, so it goes to to/on the bottom, while the hot water is on the top. It's the same thing with air, etc. |
| Humidity | Water molecules can fit into the space between air molecules. Humidity is how much water the air can/is hold(ing). Warm air can hold more water molecules than cold air, though, because in warm air, the molecules can't condense. They're moving too much. |
| Evaporation + Humidity | Dry land is hotter than wet land, as we found out from doing this experiment. This had to do with density-the cold one was more dense and had water on it, so it was colder. Then, the water evaporated, hence the same temperature and the humidity. |
| Connections | 1. If there were no evaporation, there would be no humidity. 2. Dew point is connected to humidity, and therefore evaporation. |
| Dew Point Experiment | Dew point is the point in time when you get condensation, or condensation itself. When we tried the experiment, condensation occured at 0 degrees C, or Celsius, because condensation occurs when it is cold, not hot. |
Created by:
stevensnc
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