Conservation of Energy

Question 1

What are the 6 energy stores

Answer 1

Chemical
Kinetic
Nuclear
GPE
Elastic
Thermal

Question 2

What is efficiency?

Answer 2

• Determining how well a machine is good at transferring energy into its useful forms

Question 3

What 3 ways is energy wasted?

Answer 3

Light
Sound
Heat

Question 4

How can you reduce waste?

Answer 4

lubricate systems
Have thermal insulation

Question 5

How can efficiency be increased?-

Answer 5

Reduce waste output via lubrication or thermal insulation
Recycle waste output

Question 6

How is energy passed through conduction?

Answer 6

Vibrations are passed on between particles in a solid

Question 7

How is energy passed through convection?

Answer 7

Part of the fluid that is warmer than the rest rises and starts a convection current.

Question 8

How is energy passed through radiation?

Answer 8

Energy is transferred as a wave, such as IR

Question 9

What are the renewable energy sources?

Answer 9

Wind energy
Hydroelectric
Solar
Tidal

Question 10

How does wind energy work?

Answer 10

Wind turns a turbine, generates electricity

Question 11

How does hydroelectricity work?

Answer 11

generate electricity by falling water in reservoirs

Question 12

How does solar energy work?

Answer 12

Convert solar energy into electrical energy

Question 13

How does tidal energy work?

Answer 13

Tides turn a turbine

Question 14

What are the non-renewable sources of energy

Answer 14

Nuclear fuel
Oil
Coal
Biofuel