C3.3.6 - Clues in the carpet (Bio and non-biodegradable materials) Flashcards Preview

SHHS - Science - C3.3 Detection - Year 9 > C3.3.6 - Clues in the carpet (Bio and non-biodegradable materials) > Flashcards

Flashcards in C3.3.6 - Clues in the carpet (Bio and non-biodegradable materials) Deck (15)
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1

What is meant by a biodegradable product?

A product that can be broken down by natural processes e.g. decay/rotting

2

Give 2 examples of biodegradable materials

Wool

Sisal

3

What makes polypropene useful for making carpets?

  • It is hard wearing
  • It is easy to clean

4

Why is wool a useful product?

  • It is an insulator
  • It does not catch fire easily
  • It is soft

5

Where does sisal come from?

Sisal is a fibre that comes from the leaves of a plant.

6

What is meant by non-biodegradable materials?

A material that does not rot away naturally over time.

It will remain in the environment for many years.

7

What makes sisal useful for making carpets?

  • It is an insulator (keeps heat in)
  • It does not catch fire easily
  • It can be made into strong threads

8

What do we call the woven base of a carpet?

Sisal

9

What is meant by a synthetic product?

A product that is man made e.g. polypropene from crude oil

10

What is meant by a natural product?

A product that is made in a natural envrionment e.g. woool or sisal

11

What causes materials to decay?

Microorganisms such as bacteria or fungi

12

Name 2 natural materials

Wool (form sheep)

Sisal (from plant leaf fibres)

13

Polypropene is an example of a...

synthetic polymer

14

Polypropene is a synthetic polymer. It is made from substances found in..

crude oil

15

Give an example of a non-biodegradable material.

polypropene