polymers

Description

year 7 Technology Quiz on polymers, created by ebannatyne.45.... on 06/11/2013.
ebannatyne.45....
Quiz by ebannatyne.45...., updated more than 1 year ago
ebannatyne.45....
Created by ebannatyne.45.... over 10 years ago
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11

Resource summary

Question 1

Question
What is a polymer?
Answer
  • a non metalic solid made up of long strings of molecules
  • a shape with five sides

Question 2

Question
What is a thermo-hardening polymer?
Answer
  • a polymer that can not be reshaped more than once
  • a shape with sharp corners
  • a hard polymer

Question 3

Question
what is a thermo-softening polymer
Answer
  • a polymer that can be reshaped when heated
  • a polymer that can be heated
  • a very soft polymer

Question 4

Question
How can a polymer be molded?
Answer
  • -plastic oven -strip heater -electric iron
  • - plastic oven -strip heater

Question 5

Question
what does 1 in recycling codes stand for ?
Answer
  • PET
  • PTY

Question 6

Question
what does 2 mean in recycling code
Answer
  • HSPE
  • HDPE

Question 7

Question
what does 3 mean in recycling code?
Answer
  • HIV
  • PVC

Question 8

Question
what does 4 stand for in the recycling code?
Answer
  • LDPE
  • LCD

Question 9

Question
what does 5 mean in recycling code
Answer
  • PP
  • TT

Question 10

Question
what does 6 stand for in recycling code?
Answer
  • ST
  • PS
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