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Power Point Alex and Jack

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Power Point Alex and Jack

  1. 1. AUTUMN By Jack Walker and Alex Snow.
  2. 2. When it begins <ul><li>It begins around the 23 of September. </li></ul>
  3. 3. Why does it get colder <ul><li>The earth axis* is tilted by 23.5d. The earth moves round the sun. The suns rays are further away from the earth in autumn. </li></ul><ul><li>*The axis is the line that connects the north pole to the south pole. </li></ul>
  4. 4. Why do fruit ripen in autumn? <ul><li>It ripens because it is the end of the sunshine. </li></ul>
  5. 5. Why do the leaves change colour <ul><ul><ul><ul><li>Because the chlorophyll* goes away. </li></ul></ul></ul></ul><ul><li>*Chlorophyll is what makes leaves green. </li></ul>
  6. 6. Why some leaves are green and some are brown <ul><li>The brown leaves are made from the wastes. The red leaves are made from the glucose still trapped in the leaves. </li></ul>
  7. 7. <ul><li>We hope you enjoyed our PowerPoint about Autumn. </li></ul>

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