Success Homeschool

Primary 4 Science · Natural and processed materials

Name: ______________________

Date: ____________

1. Which is a natural material?
- ☐ (a) Plastic
- ☐ (b) Glass
- ☐ (c) Stone
- ☐ (d) Paper
2. Glass is made mainly from which natural material?
- ☐ (a) Sand
- ☐ (b) Wool
- ☐ (c) Wood
- ☐ (d) Cotton
3. Which property makes glass good for windows?
- ☐ (a) It is absorbent
- ☐ (b) It is soft
- ☐ (c) It is bendy
- ☐ (d) It is transparent
4. Why are raincoats often made of plastic?
- ☐ (a) It is absorbent
- ☐ (b) It is waterproof
- ☐ (c) It is heavy
- ☐ (d) It is transparent
5. Paper is a processed material made from…
- ☐ (a) sand
- ☐ (b) oil
- ☐ (c) wood
- ☐ (d) wool
6. Is wool a natural or processed material?
7. A material that soaks up liquid is called a____________.
8. Which processed material, made mainly from oil, is used for many bottles and toys?

Answer sheet

1. Stone — Stone comes from the ground and is used with little change.
2. Sand — Glass is made by melting sand with other materials.
3. It is transparent — Transparent materials let light through so we can see out.
4. It is waterproof — Plastic does not let water through.
5. wood — Paper is made from wood fibres (or recycled paper).
6. natural — Wool comes from sheep and is cleaned and spun but is still wool.
7. absorbent — Absorbent materials soak up liquid.
8. plastic — Most plastics are made from oil and natural gas.