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Material choices

Material choices. Revision lesson. What is a synthetic material?. 2. Which of the following is not a physical need that is satisfied by plastics? a) shelter b) warmth c) stimulation of mind d) transport. 3. What is the name given to the smallest particle of an element?.

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Material choices

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  1. Material choices Revision lesson

  2. What is a synthetic material?

  3. 2. Which of the following is not a physical need that is satisfied by plastics?a) shelterb) warmthc) stimulation of mindd) transport

  4. 3. What is the name given to the smallest particle of an element?

  5. 4. Many small molecules join together to form a…..?

  6. 5. Which word would you use to describe a material that cannot be scratched very easily?a) flexibleb) strongc) densed) hard

  7. 6. Which word would you use to describe a material that is heavy for its size?a) flexibleb) strongc) densed) hard

  8. 7. Atom or molecule?

  9. 8. Which of the following materials is not natural?a) Cottonb) Woodc) Silkd) Nylon

  10. 9. Wax is a solid and petrol is a liquid. Which molecule has the longer chains?

  11. 10. How can we change a plastic to make it softer?a) add cross – linksb) add a plasticizerc) make the chains longer

  12. 11. Give the 3 stages that should be considered in a Life cycle assessment

  13. 12. What is the main source of hydrocarbons?

  14. What is a synthetic material? One that is man – made

  15. 2. Which of the following is not a physical need that is satisfied by plastics?a) shelterb) warmthc) stimulation of mindd) transport

  16. 3. What is the name given to the smallest particle of an element? Atom

  17. 4. Many small molecules join together to form a…..? Polymer

  18. 5. Which word would you use to describe a material that cannot be scratched very easily?a) flexibleb) strongc) densed) hard

  19. 6. Which word would you use to describe a material that is heavy for its size?a) flexibleb) strongc) densed) hard

  20. 7. Atom or molecule? Molecule

  21. 8. Which of the following materials is not natural?a) Cottonb) Woodc) Silkd) Nylon

  22. 9. Wax is a solid and petrol is a liquid. Which molecule has the longer chains? Wax

  23. 10. How can we change a plastic to make it more flexible?a) add cross – linksb) add a plasticizerc) make the chains longer

  24. 11. Give the 3 stages that should be considered in a Life cycle assessment Cradle Use Grave

  25. 12. What is the main source of hydrocarbons? Crude Oil

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