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Material choices

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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 ... – PowerPoint PPT presentation

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Title: Material choices


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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