1. Food and fuels

2. Who might need the highest energy intake from food?

4. What do the food labels tell you?
Put the food labels in order of energy content per 100g
Write down the sequence or stick them in your book

5. How much energy in a crisp?
Set up your equipment
Make sure you are safe before you start
Weigh the crisp
Add 20ml of water in to a boiling tube
Take the temperature of the water
Burn the crisp under the water
Take the temperature at the end
Work out the increase in temperature

6. Type of crisp
Mass of crisp (g)
Mass of water (g)
Temp at start oC
Temp at end oC
Rise in temp oC

7. Mass of water x
Rise in temp
4.2 = ÷
Mass of crisp J