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Global and Local Winds Created by sfalwell Permission granted for teachers to use if they include a link to

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Presentation on theme: "Global and Local Winds Created by sfalwell Permission granted for teachers to use if they include a link to"— Presentation transcript:

1 Global and Local Winds Created by sfalwell Permission granted for teachers to use if they include a link to http://comelearnmore.com/ http://comelearnmore.com/

2 R27 Global and Local Winds 1.What causes wind? 2.Why is the equator hotter than the poles? 3.What is a convection current? 4.How many degrees latitude to get a wind belt? 5.Local Winds = 1.Uneven heating of the earth 2.Direct sunlight at the equator, angled sunlight spreads out the energy 3.Warm air rises and cold air sinks b/c differences in density and air pressure 4.30  5.Convection currents that affect a smaller area

3 L27 Sea Breezes & Land Breezes Set up Interactive Notebook Top Half for Sea Breeze picture Bottom Half for Land Breeze picture

4 Sea Breeze Picture will go here Land Breeze Picture will go here

5 Animation of Land & Sea Breeze http://www.classzone.com/books/earth_science/terc/content/visualizations/es1903/es1903page01.cfm http://www.classzone.com/books/earth_science/terc/content/visualizations/es1903/es1903page01.cfm Annotating Text Origin of Wind from NOAA http://www.srh.noaa.gov/jetstream/synoptic/wind.htm

6 Questions for after annotating text 1. What is wind? 2.A wind vane measures_______________________________________. 3.An anemometer measures ___________________________________. 4.When air rises it _______, and when air sinks it ______. That is why rising air can produce clouds and sinking air often produces fair weather. 5.Isobars are lines drawn on a map to indicate _____________________. 6.What is a pressure gradient? 7.Which direction does air move? a) from high to low pressure b) from low to high pressure 8.The ___________ ____________ refers to the way the Earth’s rotation affects the direction wind flows. 9.Objects in the northern hemisphere turn to the ___________ and objects in the southern hemisphere turn to the ___________. 10.Winds are said to be diverging from areas of high pressure and converging in areas of low pressure. What does that mean? 11.Warm air can hold __________ (more or less?) water vapor than cold air.

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