Lesson 12 - How to draw a cross section?

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Lesson 12 - How to draw a cross section?

  1. 1. How to draw a cross section? Lesson 12
  2. 2. <ul><li>A drawing ( 圖形 ) which shows a cut through of an object ( 物體 ). </li></ul><ul><li>It tells us the relief ( 地勢 ) of a place. </li></ul>What is a ‘cross section’ ( 橫切面 ) ? Relief describes the shape ( 形狀 ) and height ( 高度 ) of the land.
  3. 4. Step 1
  4. 5. Step 2 A B
  5. 6. Step 3
  6. 7. Step 4
  7. 8. Step 5
  8. 9. Step 6
  9. 10. 1 2 3 5 6 4
  10. 12. Reminder <ul><li>Presentation </li></ul><ul><li>Cycle 21 </li></ul><ul><li>18/5/2011 (Day 4) </li></ul>

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