Exercise:
1. What type of energy is stored in food?
2. Which type of food has the most energy?
3. What are the units of energy?
4. Who needs more energy, men or a woman? Why?
5. Who will need more energy, Mr Gibson (P.E teacher) or Miss Middleton (science teacher)? Why?
6. A male tennis player needs 16,700 kJ of energy per day and a male office worker needs 11,000 kJ
per day. Explain why the tennis player needs more energy.
7. When food burns, it releases ..............energy
If the food is burned under a test tube containing ............., chemical energy in the ........ is transferred
to ...........energy and the .............heats up.
The ..............the water gets, the ..............energy there is in the food