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1 p5 chemical changes 121110

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Transcript

  • 1. 1P5: Friday 12th November, 2010 Matter and Particles: Chemical Changes
  • 2. Homework • Reviewing Homework 3 set by Mr Downs
  • 3. Word Equations Add this into your notebook after your report on Experiment A (Burning Magnesium): Magnesium + Oxygen  Magnesium Oxide When anything burns it takes in Oxygen from the air.
  • 4. Conclusions • Looking back at the three experiments we have done, we can say that: Chemical reactions have the following things in common: – They produce new substances – They involve a change in temperature – They involve a change in appearance
  • 5. Let’s review our learning: hands up please! • Spot the mistake: when Magnesium reacts with Oxygen, the mixture produced is called Magnesium Oxide • Name two changes that happened when you added the two solutions together • Chemical reactions have three things in common – name them • If we had weighed the Magnesium before and after burning – which would have been heavier?
  • 6. What’s next?
  • 7. What’s next?