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Greenhouse Effect and Global Warming


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Greenhouse Effect and Global Warming

  1. 1. The Greenhouse Effect
  2. 2. What is the greenhouse effect? <ul><li>Read pg. 456, including figure 3. </li></ul><ul><li>Then turn to pg. 540. Read this page also, including figure 6 at the bottom. </li></ul><ul><li>Close your book when you have finished reading both pages. Think about the question at the top. </li></ul>
  3. 3. What causes the greenhouse effect? <ul><li>It is caused by gases in the atmosphere that trap thermal energy (heat). The gases absorb thermal energy and radiate it back to Earth. </li></ul>
  4. 4. Which gases cause the greenhouse effect? <ul><li>Water vapor </li></ul><ul><li>Carbon dioxide </li></ul><ul><li>Methane </li></ul><ul><li>Nitrous oxide </li></ul><ul><li>Now for some BrainPOP… </li></ul>
  5. 5. Global Warming
  6. 6. Proof of global warming
  7. 7. REAL arguments for global warming <ul><li>Read pg. 457 and pg. 540-541 (you’ve already read pg. 540 focusing on greenhouse effect). </li></ul><ul><li>Now write a definition of global warming. </li></ul>
  8. 8. REAL arguments for global warming <ul><li> </li></ul><ul><li>Web site – write it down as source #2 and then record ideas from the site in the appropriate box on your worksheet. </li></ul><ul><li>BrainPOP – source #3 – watch and record any helpful ideas for either box. </li></ul><ul><ul><li>Username: memorialscience </li></ul></ul><ul><ul><li>Password: mms </li></ul></ul>
  9. 9. REAL arguments for global warming <ul><li>Using the other articles provided, collect ideas for both opinions about global warming. They are over on Mr. Hoegh’s teacher desk. Read the directions on your worksheet to help you. </li></ul>