Method

How did i do it?

1. Collect apparatus
2. To determine the burning rate each sample is cut into equal sized pieces
(15cm x 17cm)
3. Wash one sample in cold water wash for 10 min
4. Wash one sample in hot water wash for 10 min
5. Let each sample dry for about 1 hr 30 min
6. After it has dried take one piece of each outside
7. Light any one you want first not at the same time
8. Light each corner of the sample
9. Take a stop watch and time how long it takes to turn into ashes.
10. After doing everything above repeat with non flammable pyjamas