Plastics

Question 1

Thermoplastics

Answer 1

Made from long chain polymers, joined by weak chemical bonds.

Question 2

Thermosets

Answer 2

Are plastics which are converted into their final form by heat

Question 3

Polyethylene (thermoplastics)

Answer 3

High density polyethylene (HDPE)

Low density polyethylene (LDPE)

Question 4

High density polyethylene

Answer 4

Tough and can be blow moulded (bottles,toys,buckets)

Question 5

Low density polyethylene

Answer 5

Made into thin film (carrier bags, wiring insulation, squeeze bottles)

Question 6

PVC- polyvinyl chloride(thermoplastics)

Answer 6

Can be plasticised by different amounts to make a wide range of products (windows frames, credit cards)

Question 7

Epoxy resin (thermosets)

Answer 7

A strong adhesive (glue) that can be used to join things together

Question 8

Urea formaldehyde (Bakelite) (thermosets)

Answer 8

Hard and brittle and a good insulator used for electric plugs, sockets, switches)

Question 9

Plasticisers

Answer 9

Added to make plastic bendy

Question 10

Antistatic

Answer 10

Used to reduce static charge