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Lesson 3

Lesson 3. Safety symbols. By the end of the lesson ALL students should be able to: Recognise warning signs. By the end of the lesson MOST students should be able to: Decide how to protect yourself from a hazard. By the end of the lesson SOME students should be able to :

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Lesson 3

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  1. Lesson 3 Safety symbols

  2. By the end of the lessonALLstudents should be able to: • Recognise warning signs • By the end of the lesson MOST students should be able to: • Decide how to protect yourself from a hazard • By the end of the lesson SOME students should be able to: • Locate and use safety information from hazcards Year 10

  3. Starter • Do you recognise any of these signs?

  4. Warning signs

  5. Slippery road

  6. Stop

  7. Children crossing

  8. Old people

  9. Electricity

  10. Slippery floor

  11. Danger of falling

  12. Deep water

  13. No entry

  14. Road works

  15. Guard dogs

  16. Laboratories can be exciting places but they can be dangerous too. Labs have warning signs too. They need to be SIMPLE and CLEAR! • Can you guess what these hazard warning signs mean?

  17. Hazard symbols

  18. harmful or irritant

  19. corrosive

  20. flammable

  21. toxic

  22. radioactive

  23. explosive

  24. biohazard

  25. wear goggles

  26. In your booklet can you match up the safety symbols with the description • Can you design your own safety symbol for a lab?

  27. Hazcards • Before we do a practical we need to check for hazards • This is why we have hazcards • These are available on the internet as paper copies • They help scientists check the risks of any investigation and what to do if there is an accident

  28. Look at the hazcard on page 53 of your textbook or your teacher may give you a hazcard. • Make a poster to show all the dangers of the chemical on your hazcard

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