Science homework:

7. I think that geothermal energy is most suitable for heating a house as the heat is clean and long lasting. Furthermore it can be found merely meters beneath the ground . For running a car I think kinetic energy would be best because it would allow the car to keep moving. I think that nuclear energy should be used to boil a kettle as if it has enough to power wind turbines then it should be able of boiling a kettle. Once again I think that kinetic energy would be useful to fly a plane especially due to the size of it and how high it flies.

8. Solar energy, hydro energy and green power.

9. Coal, petroleum and carbon

10. The energy used in foods is measured in calories and joules.