Energy

Question 0

Name all forms of energy!

Answer 0

Thermal/Heat Kinetic
Light Chemical
Sound Nuclear
Elastic/strain Gravitational Electrical

Question 1

How many types of form of energy is there?

Answer 1

Nine

Question 2

An example for Thermal energy
                          Light
                          Sound
                          Elastic/strain
                          Gravitational

Answer 2

Thermal - Anything Hot (fire, kettle)
Light - Light bulbs, Fire 
Sound - Talking, TV, radio 
Elastic/strains - Spring, elastic band
Gravitational - Book on shelf, aeroplane ( anything high up )

Question 3

An example for Kinetic
Chemical
Nuclear Electrical

Answer 3

Kinetic - Anything that moves
Chemical - Batteries, food (organic)
Nuclear - Nuclear bomb, nuclear power station
Electrical - Anything uses electric

Question 4

How do you calculate Efficiency?

Answer 4

Efficiency = Useful energy transferred by the device
——————————————–
Total energy supplied to the device *100 = ?