Conservation And Dissipation Of Energy

Question 1

List 8 different energy stores

Answer 1

Kinetic, gravitational potential, elastic potential, thermal, chemical, magnetic/electrical, sound, nuclear.

Question 2

List the input and output energy of the following:
1-Hairdryer
2-Fridge
3-Microwave

Answer 2

1-(input):electrical
(Output):kinetic/thermal/ sound

2-(Input):electrical
(Output): sound/thermal/light/kinetic

3-(input):electrical
(Output):light/magnetic/thermal/ kinetic/sound

Question 3

What is the conservation of energy?

Answer 3

Energy can be transferred usefully, stored or displaced but it can’t be created or destroyed.