1. 13 / Monday
Kaupapa:
Measure and compare the energy content per gram of different foods

2. Do you remember? What is the unit for Energy?
Describe the energy transformation taking place in a hydroelectric dam
Describe what is wrong in this sentence “there are many different methods of creating electrical energy”

3. Energy Transformations & Conservation of Energy Principle

10. Conservation of Energy Principle
Energy cannot be created or used (destroyed).
Energy can only be transferred or transformed.
Therefore, the total amount of energy will always be conserved!

13. “Trust Physics!”

14. Pop Quiz:
Why do we eat food?
What type of energy is present in food?

15. Chemical Potential Energy in Food

17. Food has Chemical Potential Energy

18. Energy in Food Food has chemical potential energy.
Everything needs energy to work or to survive. That is the primary reason for eating food – to get energy.

19. Practical – Energy content of Food
Aim - To measure and compare the energy content per gram of different foods

20. What have we learnt today?
What kind of energy is present in food?
What is the unit for energy?