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Objective: SWBAT determine the cause of weather fronts WARM UP: Look up the following words in your textbook glossary: 1.Relative humidity 2.Dew point.

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Presentation on theme: "Objective: SWBAT determine the cause of weather fronts WARM UP: Look up the following words in your textbook glossary: 1.Relative humidity 2.Dew point."— Presentation transcript:

1 Objective: SWBAT determine the cause of weather fronts WARM UP: Look up the following words in your textbook glossary: 1.Relative humidity 2.Dew point 3.Saturation Then make a WORD FRAME for each term (see page R51 for instructions) Weather Fronts

2 Word Frames Term in the middle “Frame” with 4 different details, diagrams, etc Relative Humidity

3 (A Day) Demo 2: Egg in a Bottle OBSERVATIONSI THINK…… DIAGRAMNOW I KNOW……

4 Now I know… The flame used up all the air that was pushing UP on the egg and the egg was pushed INTO the bottle by the air pressure from above

5 Do you like warm weather or cold weather? Why?

6 Fronts are areas where two air masses meet Cold fronts Warm fronts Stationary fronts Occluded fronts

7 Fronts ce/terc/content/visualizations/es2002/es2002 page01.cfm ce/terc/content/visualizations/es2002/es2002 page01.cfm active_art/weather_fronts/ active_art/weather_fronts/

8 Guided Notes:Fronts Cold Front  Cold air pushes warm air which forces the warm air to rise. The warm air condenses and forms tall clouds

9 Guided Notes: Fronts Warm Front  warm air pushes cold air. Warm air rises over cold air and condenses into flat clouds

10 Guided Notes: Fronts Stationary Front  Two air masses push against each other without moving. Becomes either a cold or warm front when one mass moves forward

11 Guided Notes: Fronts Occluded Front  Cold air overtakes a cold front and warm air is pushed upwards (produces much less extreme weather)

12 t=weather+fronts t=weather+fronts VIDEO CLIP Air masses and fronts: how weather moves from one place to another

13 Fronts Diagrams DRAW and WRITE the names of all 4 fronts diagrams Cold front, warm front and stationary front  page 83 in science textbook Occluded front  page 38 in little blue book

14 Demonstration 3: Cold/ Warm Fronts OBSERVATIONSI THINK…… DIAGRAMNOW I KNOW……

15 Now I know That… Write in the Now I Know section… The cold, dense water sinks below the warm, less dense water and pushes the warm water up

16 Give Back: Weather tests Eligible for corrections if your score is BELOW 84% Test corrections are completed during office hours (Tuesday, Oct. 14 from 8:15-8:45) or during lunch on Tuesday, Oct. 14, Wednesday, Oct. 15 or Thursday, October 16 You are responsible for getting a pass to come on Tuesday morning and/or meeting me on the stage at lunch


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