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 transcript:

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

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

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

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

Do you like warm weather or cold weather? Why?

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

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/

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

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

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

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

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

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

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

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

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