Unit 7 Learning Outcomes

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Unit 7 Learning Outcomes

  1. 1. Topic 7 - Corrosion
  2. 2. Topic 7 Corrosion <ul><li>Lesson 1/2 </li></ul><ul><li>These outcomes relate to the </li></ul><ul><li>PowerPoint Slides 1-4 on Corrosion </li></ul>
  3. 3. Topic 7 Corrosion Lesson 1/2 <ul><li>What is corrosion ? </li></ul><ul><li>Do all metals corrode? </li></ul><ul><li>What term is used for iron corroding? </li></ul><ul><li>What causes corrosion? </li></ul><ul><li>What can speed up rusting? </li></ul>
  4. 4. Topic 7 Corrosion Lesson 1/2 <ul><li>How does this speed up rusting? </li></ul><ul><li>What is the formula for the iron compound formed in corrosion? </li></ul><ul><li>What ion is formed in the first stage of iron corroding? </li></ul><ul><li>What type of reaction is this? </li></ul>
  5. 5. Topic 7 Corrosion <ul><li>Lesson 2/3 </li></ul><ul><li>These outcomes relate to the </li></ul><ul><li>PowerPoint Slides 5-8 on Corrosion </li></ul>
  6. 6. Topic 7 Corrosion Lesson 2/3 <ul><li>What chemical test can detect the iron rusting? What are the results? </li></ul><ul><li>What ion does the test detect? </li></ul><ul><li>What is oxidation? </li></ul><ul><li>What ion is formed in the first stage of rusting? </li></ul>
  7. 7. Topic 7 Corrosion Lesson 2/3 <ul><li>What ion is formed in the second stage of rusting? </li></ul><ul><li>What ion is produced when oxygen and water pick up electrons? </li></ul><ul><li>What type of reaction is this? </li></ul><ul><li>What indicator turns pink with these ions? </li></ul>
  8. 8. Topic 7 Corrosion <ul><li>Lesson 3/4 </li></ul><ul><li>These outcomes relate to the </li></ul><ul><li>PowerPoint Slides 11-14 on Corrosion </li></ul>
  9. 9. Topic 7 Corrosion Lesson 3/4 <ul><li>When iron is connected to copper in a cell, why does it rust? </li></ul><ul><li>How can this be shown by experiment? </li></ul><ul><li>When iron is connected to magnesium in a cell why does it not rust? </li></ul><ul><li>How can you tell by experiment? </li></ul>
  10. 10. Topic 7 Corrosion <ul><li>Lesson 4/5 </li></ul><ul><li>At this point consolidate all you know </li></ul><ul><li>so far using Slide 15 and </li></ul><ul><li>Assessment 12.2 from the pink textbook </li></ul>
  11. 11. Topic 7 Corrosion <ul><li>Lesson 5/6 </li></ul><ul><li>These outcomes relate to the </li></ul><ul><li>PowerPoint Slides 16-19 on Corrosion </li></ul>
  12. 12. Topic 7 Corrosion Lesson 5/6 <ul><li>What ways can iron be physically protected? </li></ul><ul><li>Why, if tin is scratched, does iron rust faster? </li></ul><ul><li>In electroplating, what terminal is iron coated with a metal? </li></ul><ul><li>What type of reaction occurs here? </li></ul>
  13. 13. Topic 7 Corrosion <ul><li>Lesson 6/7 </li></ul><ul><li>These outcomes relate to the </li></ul><ul><li>PowerPoint Slides 20-22 on Corrosion </li></ul>
  14. 14. Topic 7 Corrosion Lesson 6/7 <ul><li>What ways can iron be chemically protected? </li></ul><ul><li>What is galvanising? </li></ul><ul><li>Why can galvanising supply physical and chemical protection? </li></ul><ul><li>What metal is generally used in sacrificial protection? </li></ul>
  15. 15. Topic 7 Corrosion Lesson 6/7 <ul><li>In terms of electrons, why is iron protected by coating with zinc or placing close to magnesium? </li></ul>
  16. 16. Topic 7 Corrosion <ul><li>Lesson 7/8 </li></ul><ul><li>At this point consolidate all you </li></ul><ul><li>Know so far using Slide 22 and </li></ul><ul><li>Assessment 12.1 from the pink </li></ul><ul><li>textbook </li></ul>
  17. 17. Topic 7 Corrosion <ul><li>Lesson 8/9 </li></ul><ul><li>No Power Point exists for the last few learning outcomes. </li></ul><ul><li>Relates to Workbook 7.9 Core </li></ul>
  18. 18. Topic 7 Cells Lesson 8/9 <ul><li>What is a cell ? </li></ul><ul><li>What is an ion-bridge needed for? </li></ul><ul><li>Which way do electrons flow when zinc is connected to a carbon rod in an acid solution? </li></ul><ul><li>What type of reaction is this? </li></ul>
  19. 19. Topic 7 Cells Lesson 8/9 <ul><li>Can you write this ion-electron equation? </li></ul><ul><li>What is happening to the hydrogen ions ? </li></ul><ul><li>What type of reaction is this? </li></ul><ul><li>Can you write this ion-electron equation? </li></ul>
  20. 20. Topic 7 Cells Lesson 8/9 <ul><li>What type of rods can connect non-metal solutions together? </li></ul><ul><li>When iodine solution is connected to the sulphite ion solution , what happens to the iodine? </li></ul><ul><li>Can you write the ion-electron equation for this? </li></ul>
  21. 21. Topic 7 Cells Lesson 8/9 <ul><li>What type of reaction is this? </li></ul><ul><li>What happens to the sulphite ion? </li></ul><ul><li>Can you write the ion-electron equation for this? </li></ul><ul><li>What type of reaction is this? </li></ul>

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