Year 7 Geography - Tornadoes


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  • Before we break for lunch we will try a fun quiz Create a maths question and send it to handsets Yes or No WizTeach can be used on Mac and Linux platforms? (YES) Text Input The online community is called WizTeach _______? (Share) Multiple Choice (3 choices) How many tool palettes can be opened at any one time? (2, 6, Any ?) Rating Scale On a scale of 1-5 (with 5 being the best), how do you find the WizTeach tools?
  • Year 7 Geography - Tornadoes

    1. 1. Year 7 Natural Hazards Tornadoes
    2. 2. <ul><li>Lesson Objectives : </li></ul><ul><li>1. To find out where tornadoes strike </li></ul><ul><li>2. Where are the areas most affected? </li></ul><ul><li>3. How a tornado is formed? </li></ul><ul><li>4. How are Tornadoes measured? </li></ul>
    3. 3. What has happened in this picture?
    4. 4. Take a look at this video clip.. <ul><li>Using your Q6 handsets send in three words to describe a tornado…….. </li></ul>Click on photo for link to YouTube
    5. 5. Twister Fate Tornados can happen at any place at any time given the right conditions. BUT, there is one country that experiences more tornadoes than any other…..
    6. 6. Which Country? <ul><li>China </li></ul><ul><li>USA </li></ul><ul><li>Australia </li></ul>
    7. 7. Answer: USA
    8. 8. If you were a storm chaser……. <ul><li>Which three states would you definitely visit during tornado season? Use an online map of your choice to help you. </li></ul>
    9. 9. Which 3 of the following 4 states? <ul><li>Texas </li></ul><ul><li>New York </li></ul><ul><li>Kansas </li></ul><ul><li>Nebraska </li></ul>
    10. 10. Texas,Kansas and Nebraska are of the states in Tornado Alley. All of these states are more likely to experience tornadoes rather than the state of New York.
    11. 11. Why and How?
    12. 12. <ul><li>No 2 tornadoes are the same </li></ul><ul><li>BUT </li></ul><ul><li>They all require certain conditions to form </li></ul>
    13. 13. Which of the following are the correct conditions particularly required? <ul><li>Intense or unseasonable heat </li></ul><ul><li>Intense cold and high wind </li></ul>
    14. 14. As the ground temperature increases, moist air heats and starts to rise
    15. 15. When the warm, moist air meets cold dry air, it explodes upwards, puncturing the layer above. A thunder cloud may begin to build.
    16. 16. A storm quickly develops - there may be rain, thunder and lightning.
    17. 17. Upward movement of air can become very rapid. Winds from different directions cause it to rotate.
    18. 18. The vortex of winds varies in size and shape, and can be hundreds of metres wide. A tornado can last from several seconds to more than an hour and may travel dozens of miles.
    19. 19. Other forms of Tornado… Typhoon Fire Devil
    20. 20. Winds within the tornado may be so fast they cannot be properly measured. Instead, the Fujita damage scale is used to estimate speed. How to measure a tornado
    21. 22. A Quick Quiz Press and hold On/Off button to switch on
    22. 23. What is the name of the scale used to measure tornadoes? <ul><li>Please enter the response into your remotes </li></ul>
    23. 24. Which scale of tornado has the most average frequency? <ul><li>F0 </li></ul><ul><li>F1 </li></ul><ul><li>F2 </li></ul>
    24. 25. Answer... <ul><li>F1 (which has 40%) </li></ul><ul><li>(F0 has 29% and F2 has 24% frequency average) </li></ul>
    25. 26. True or False <ul><li>A fire tornado is called a Fire Cyclone?? </li></ul>
    26. 27. Answer... <ul><li>False </li></ul><ul><li>It is known as a Fire Devil </li></ul>
    27. 28. What is a tornado in the sea know as? <ul><li>Tsunami </li></ul><ul><li>Earthquake </li></ul><ul><li>Typhoon </li></ul>
    28. 29. Answer... <ul><li>C: Typhoon </li></ul>