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+    3 Express Pure Geog:    Weather and Climate    26th March 2012    Rain, Pressure and Winds                           ...
+                                                             2    Feedback on Lesson Observation       Class’ level of c...
+                                                                           3    What did we learn last lesson?    Relativ...
+                                                                                   4    Relative Humidity                ...
+                                                                                  5    Relative Humidity                 ...
+                                                                                   6     What did we learn last lesson?  ...
+                                                                             7    What did we learn last lesson?    Preci...
+                                                                                    8    Lesson objectives       By the ...
+                                                                                        9    Convectional Rain     http:/...
+                                                                      10    Convectional Rain       occurs when there is...
+                                                        11    Convectional Rain       characteristics of rain, usually  ...
+                                                                                        12    Relief Rain     http://www....
+                                                                   13    Quick Recap:    Relative Humidity               ...
+                                                                   14    Relief Rain       occurs mainly in places where...
+                                                                      15    Quick Recap:    Temperature                  ...
+                                                                   16    Relief Rain       occurs mainly in places where...
+                                                                   17    Air Pressure and Wind       downward force exer...
+                                                       18    Air Pressure and Wind                  high pressure   wind ...
+                                                   19    Air Pressure and Temperature             cold air               ...
+                                  20    Think, Buzz, Share                         pg. 100Arman Alluwie TP2 SHSS
+                                                                  21    Checkpoint 1 (Share)       What is the differenc...
+                                                              22    Scale and Effect                                     ...
+                                                           23    Quick Recap:    “Maritime Effect”    Concept: Water bodi...
+                                                                      24    Scale and Effect                             ...
+                                                                                     25     Land and Sea Breezehttp://oce...
+                                                          26    Land and Sea Breeze:    Think, Buzz and Share            ...
+                                  27    Checkpoint 2 (Share)                           explain why?Arman Alluwie TP2 SHSS
+                          28     Checkpoint 2 (Share)explain why? Arman Alluwie TP2 SHSS
+                          29     Checkpoint 2 (Share)explain why? Arman Alluwie TP2 SHSS
+                                    30    Checkpoint 2 (Share)                           explain why?Arman Alluwie TP2 SHSS
+                                                                     31    The Coriolis EffectArman Alluwie TP2 SHSS   ht...
+                                                                     32    The Coriolis Effect:    Playground Visualisati...
+                                                                     33    The Coriolis Effect:Arman Alluwie TP2 SHSS   h...
+                                    34    South Asian Monsoons:    Think Buzz Share                            pg 103- 10...
+                                                                    35    Lesson objectives       Are we able to explain...
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Full Geography Secondary 3 Express- Weather and Climate 3

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Transcript of "Full Geography Secondary 3 Express- Weather and Climate 3"

  1. 1. + 3 Express Pure Geog: Weather and Climate 26th March 2012 Rain, Pressure and Winds Arman Alluwie TP2 SHSS
  2. 2. + 2 Feedback on Lesson Observation  Class’ level of criticality  Good questioning  Management of Questions and Answers  Peer Teaching  Constructive discussion  Helped clear up doubts and concerns of concepts  On task during assignments  Think- Buzz- ShareArman Alluwie TP2 SHSS
  3. 3. + 3 What did we learn last lesson? Relative Humidity  proportion of water vapor present in the air, in relation to the maximum amount the air can hold1 at particular temperature  expressed as % 100 -  1hold: contain 50 - 25 - relative humidity = 50 %Arman Alluwie TP2 SHSS
  4. 4. + 4 Relative Humidity change in temperature 100 - 50 - 100 - 25 - 50 same amount of - water vapour 25 - relative humidity = 50 % relative humidity= ?Arman Alluwie TP2 SHSS
  5. 5. + 5 Relative Humidity change in temperature 100 - 100 same amount of same amount of 50 - 50 water vapour water vapour - 25 - - relative humidity= 100% relative humidity > 100%  beyond saturation pointArman Alluwie TP2 SHSS
  6. 6. + 6 What did we learn last lesson? Saturation Pointair is carrying the maximum amount of water vapor it can hold at that temperature Arman Alluwie TP2 SHSS
  7. 7. + 7 What did we learn last lesson? Precipitation  Definition: water falling from the atmosphere onto the Earth’s surface  form depends on the temperature of the place where it falls Liquid Freezing Frozen Drizzle Freezing Drizzle Snow Rain Freezing Rain Hail Ice Crystals precipitation ≠ rainArman Alluwie TP2 SHSS
  8. 8. + 8 Lesson objectives  By the end of the lesson, we will be able to explain  the formation of convectional rain and relief rain  how air pressure affects movement of air/ wind  how coastal temperatures are moderated by land and sea breezes  the formation of monsoon winds Give a statement as to why something occurs Show an ability to know or understand why or how something happensArman Alluwie TP2 SHSS
  9. 9. + 9 Convectional Rain http://www.curriculumbits.com/prodimages/details/geography/types-of-rainfall.htmlArman Alluwie TP2 SHSS
  10. 10. + 10 Convectional Rain  occurs when there is intense heating of Earth’s surface which usually takes place in the morning and early afternoon  common in Tropics  high temperatures increase capacity of air to hold large amounts of water vapour  high relative humidityArman Alluwie TP2 SHSS
  11. 11. + 11 Convectional Rain  characteristics of rain, usually  in the morning and early afternoon  covers only a few square kilometers  heavy but short-lived  often accompanied by thunder and lightningArman Alluwie TP2 SHSS
  12. 12. + 12 Relief Rain http://www.curriculumbits.com/prodimages/details/geography/types-of-rainfall.htmlArman Alluwie TP2 SHSS
  13. 13. + 13 Quick Recap: Relative Humidity air parcel wind direction more water vapour land surface large lakes/ oceansArmanAlluwie TP2 SHSS
  14. 14. + 14 Relief Rain  occurs mainly in places where moist air from the sea is forced to rise above a highland such as a mountain range  windward side: side facing the oncoming wind  leeward side  receives little or no rain  on descending, air is warmed by heat near the Earth’s surface becoming dry windArman Alluwie TP2 SHSS
  15. 15. + 15 Quick Recap: Temperature 7.2°C 20°C at lower ground there is a larger area of land,  much warmer at lower groundArman Alluwie TP2 SHSS
  16. 16. + 16 Relief Rain  occurs mainly in places where moist air from the sea is forced to rise above a highland such as a mountain range  windward side: side facing the oncoming wind  leeward side  receives little or no rain  on descending, air is warmed by heat near the Earth’s surface becoming dry wind  “rain shadow” effectArman Alluwie TP2 SHSS
  17. 17. + 17 Air Pressure and Wind  downward force exerted by the weight of air per unit area  air moves from a region of high pressure to a region of low pressure  windArman Alluwie TP2 SHSS
  18. 18. + 18 Air Pressure and Wind high pressure wind low pressureArman Alluwie TP2 SHSS
  19. 19. + 19 Air Pressure and Temperature cold air warm air wind high pressure low pressure GroundArman Alluwie TP2 SHSS
  20. 20. + 20 Think, Buzz, Share pg. 100Arman Alluwie TP2 SHSS
  21. 21. + 21 Checkpoint 1 (Share)  What is the difference between convectional rain and relief rain?  Define “convectional rain” and “relief rain”  Characteristics of “convectional rain”  Characteristics of “relief rain”  Complete the following sentences  Rising warm air results in _______________ pressure  Sinking cold air results in _______________ pressure  How does the air pressure result in the formation of wind?Arman Alluwie TP2 SHSS
  22. 22. + 22 Scale and Effect Weather Global Scale eg. Global Warming and the increasing intensity of typhoons Regional Scale eg. Southeast Asian Monsoon and how it affects agriculture in South Asia Local Scale eg. flooding in OrchardArman Alluwie TP2 SHSS
  23. 23. + 23 Quick Recap: “Maritime Effect” Concept: Water bodies heats up and cools down slower SLOWER Land bodies Water BodiesArmanAlluwie TP2 SHSS
  24. 24. + 24 Scale and Effect Weather Global Scale eg. Maritime Effect Months which affects Annual Temperature Regional Scale Weeks eg. Land and Sea Breeze Local Scale which affects Day and Hours Night TemperaturesArman Alluwie TP2 SHSS
  25. 25. + 25 Land and Sea Breezehttp://oceanservice.noaa.gov/education/pd/oceans_weather_climate/media/sea_and_land_breeze.swf ArmanAlluwie TP2 SHSS
  26. 26. + 26 Land and Sea Breeze: Think, Buzz and Share pg 101 and for the brave, page 93: maritime effectArman Alluwie TP2 SHSS
  27. 27. + 27 Checkpoint 2 (Share) explain why?Arman Alluwie TP2 SHSS
  28. 28. + 28 Checkpoint 2 (Share)explain why? Arman Alluwie TP2 SHSS
  29. 29. + 29 Checkpoint 2 (Share)explain why? Arman Alluwie TP2 SHSS
  30. 30. + 30 Checkpoint 2 (Share) explain why?Arman Alluwie TP2 SHSS
  31. 31. + 31 The Coriolis EffectArman Alluwie TP2 SHSS http://www.youtube.com/watch?v=Wda7azMvabE
  32. 32. + 32 The Coriolis Effect: Playground VisualisationArman Alluwie TP2 SHSS http://www.youtube.com/watch?v=_36MiCUS1ro
  33. 33. + 33 The Coriolis Effect:Arman Alluwie TP2 SHSS http://www.youtube.com/watch?v=__SlJtnpCD8
  34. 34. + 34 South Asian Monsoons: Think Buzz Share pg 103- 104Arman Alluwie TP2 SHSS
  35. 35. + 35 Lesson objectives  Are we able to explain  the formation of convectional rain and relief rain?  how air pressure affects movement of air/ wind?  how coastal temperatures are moderated by land and sea breezes?  the formation of monsoon winds?Arman Alluwie TP2 SHSS
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