A pair of curtains have been labelled to show that they have been flame-proofed,
Click on the box which gives the best description of the term "flame-proofed".

1. The curtains have been treated with a chemical which will stop them burning at all.
2. The curtains have been treated with a chemical which stops them catching fire easily.
3. The curtains have been treated with a chemical which will make them burn with a lower temperature flame/.
4. The curtains have been treated with a chemical which means that they will not give off dangerous fumes when they burn.

What can happen to a flame-proofing item when it is washed?
Click on the box which gives the best answer.

1. Washing can make the flame-proofing chemical change colour and change the colour of the item
2. Washing can shrink flame-proofed items more than other items that have not been flame-proofed.
3. Washing can make the flame-proofed item less wear resistant.
4. Washing can wash out the flame-proofing chemical and leave the item unprotected so that it can catch fire quite easily.

Which of the materials shown will catch fire easily?
Click on each box that has a correct answer.

1. Concrete
2. Stone
3. Paper
4. Steel
5. Cotton
6. Petrol
7. Glass
8. Wood
9. Water