1. Comenius Meeting in NAJERA French Presentation January 2011

2. Question 1 Why have we mostly been using PCBs ? a ) for electrical insulators b) in plastics c) to protect crops

3. Question 2 Which are the consequences of PCBs on the environment ? ( various answers are acceptable)

4. Question 3 Do you agree with this statement : “ Man transforms the environment as he needs ” ? Why ? ( various answers are acceptable)

5. Question 4 What is the natural element essential to all living beings ?

6. Question 5 Is the recycling of PCBs a) easy ? b) difficult ? c) impossible ?

7. Question 6 Which is the amount of PCBs already released into the wild worldwide? a) 100 million tons b) 200 million tons c) 400 million tons d) 800 million tons

8. Question 7 Can a breast-feeding mother transmit PCBs to her child ?

9. Question 8 Which part of the fish is easily contaminated by PCBs ? a) muscle b) fat c) blood

10. Question 9 Which is the meaning of the acronym : PCB ?

11. Question 10 At what temperature are PCBs destroyed ? a) 300°C b) 600°C c) 1000°C d) 2500°C

12. Question 11 How are PCBs detected in humans ? a) blood test b) urinalysis c) biopsy

13. Question 12 What is the common point of most countries that have used and produced PCBs?

14. Question 13 Why are eels especially sensitive to PCBs?

15. Question 14 The risk of cancer due to PCBs is : a) absolutely sure b) likely c) sure e) unlikely f) unproved

16. Question 15 Can PCBs also be found in air ?

17. We hope you’ve enjoyed this quizz !

18. Thank you for your attention.

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