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Weather Fronts Science 8 th Grade Teacher Page. MAP TAP 2002-2003Weather Fronts2 Teacher Page Science Science 6 th Grade 6 th Grade Created by Paula Smith.

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Presentation on theme: "Weather Fronts Science 8 th Grade Teacher Page. MAP TAP 2002-2003Weather Fronts2 Teacher Page Science Science 6 th Grade 6 th Grade Created by Paula Smith."— Presentation transcript:

1 Weather Fronts Science 8 th Grade Teacher Page

2 MAP TAP 2002-2003Weather Fronts2 Teacher Page Science Science 6 th Grade 6 th Grade Created by Paula Smith Created by Paula Smith VI.A.2, VI.B.2/SC 5 VI.A.2, VI.B.2/SC 5 This presentation is intended to introduce or review material. The student will identify each type of front on a weather map using their symbols, determine which way the front is moving, and predict relative temperature using a weather map. This presentation is intended to introduce or review material. The student will identify each type of front on a weather map using their symbols, determine which way the front is moving, and predict relative temperature using a weather map. StartEnd

3 Dew Point and Cloud Formation Dew Point: The temperature at which water condenses (turns to liquid). Dew Point: The temperature at which water condenses (turns to liquid). –Like sweat on a can of soda. Usually happens at cold temperatures Usually happens at cold temperatures Clouds form when water cools down to the dew point. Clouds form when water cools down to the dew point. –As air rises it gets colder, water condenses, and clouds form. MAP TAP 2002-2003Weather Fronts3

4 MAP TAP 2002-2003Weather Fronts4 Air Mass A large body of air with similar temperature and moisture. A large body of air with similar temperature and moisture. Air masses form over large land or water masses. Air masses form over large land or water masses.

5 MAP TAP 2002-2003Weather Fronts5 Frontal Boundaries Where air masses interact – also known as a front. Where air masses interact – also known as a front. 4 kinds of fronts: 4 kinds of fronts: –Cold front –Warm front –Occluded front –Stationary front

6 Cold Front A cold air mass is replacing a warmer air mass. A cold air mass is replacing a warmer air mass. Shown on a weather map by a blue line with triangles pointing the direction the cool air is moving. Shown on a weather map by a blue line with triangles pointing the direction the cool air is moving. Back to activity

7 MAP TAP 2002-2003Weather Fronts7 Warm Front Warm air mass replacing a cooler air mass. Warm air mass replacing a cooler air mass. Shown on a weather map by a red line with half circles pointing the direction the warm air is moving. Shown on a weather map by a red line with half circles pointing the direction the warm air is moving. Back to activity

8 MAP TAP 2002-2003Weather Fronts8 Occluded Fronts When a warm front is trapped by 2 cold fronts. When a warm front is trapped by 2 cold fronts. Shown on a weather map by a purple line with alternating triangles and semicircles pointing the direction the front is moving. Shown on a weather map by a purple line with alternating triangles and semicircles pointing the direction the front is moving. Back to activity

9 MAP TAP 2002-2003 Stationary Fronts A front that stops moving or is moving very slowly. A front that stops moving or is moving very slowly. Shown on a weather map with alternating red semicircles pointing away from the warm air and blue triangles pointing away from the cold air. Shown on a weather map with alternating red semicircles pointing away from the warm air and blue triangles pointing away from the cold air. Back to activity

10 Isobars Isobars: Lines connecting equal points of air pressure. Isobars: Lines connecting equal points of air pressure. H: High Pressure H: High Pressure L: Low Pressure L: Low Pressure -Where is the rain? High or Low pressure? MAP TAP 2002-2003Weather Fronts10

11 Isotherms Isotherms: Lines connecting equal points of temperature. Isotherms: Lines connecting equal points of temperature. MAP TAP 2002-2003Weather Fronts11

12 Locate the 4 types of fronts on this weather map. Hint 1 Hint 2 Hint 3 Hint 4

13 Cold Fronts

14 Warm Front

15 Stationary Front

16 Occluded Front

17 Weather Fronts17 Be a Weather Forecaster You are planning to travel to Alabama in 2 days. The high temperature there for today is 68 º F. Use the map to help you predict whether the temperature in Alabama will increase, decrease, or stay the same. Explain why you think so.

18 18 Be a Weather Forecaster There is a cold front approaching. The temperatures will probably be cooler behind the front.

19 MAP TAP 2002-2003Weather Fronts19 Be a Weather Forecaster Of course, meteorologists (weather forecasters) use much more data than fronts and air masses to help them forecast the weather more accurately. But any forecast is just a prediction of what might happen. Even with the best data, weather forecasts can be wrong. Of course, meteorologists (weather forecasters) use much more data than fronts and air masses to help them forecast the weather more accurately. But any forecast is just a prediction of what might happen. Even with the best data, weather forecasts can be wrong.


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