Physics Unit 1

What does conservation of energy mean?

Describe the energy transfer that takes place in a microphone

Describe the energy transfer that takes place in a laptop

A phone charger has an input energy of 5J. It wastes 1.5J as heat. Draw a Sankey diagram to show this energy transfer.

What is the formula for efficiency?

What is the definition of power?

What is the formula for power?

What are Kilowatt hours a unit of?

How do you work out kilowatt hours?

How do you work out GPE?

Why does a pendulum gradually not swing as high?

What is the formula for energy?

How do you work out payback time?

How do you work out cost effectiveness?

What is a U-value and what does a low U-value tell us?

In a power station what happens in the boiler?

In a power station what happens in the turbine?

In a power station what happens in the generator?

In a power station what happens in the transformer?

What is a fuel?

What is oil?

What is coal?

What are some advantages of wind power?

What are some disadvantages of wind power?

Advantages of water power?

What are some disadvantages of water power?

Describe wave power

Describe tidal power

Describe hydroelectric power

Describe geothermal energy

What causes acid rain?

What does the first step down transformer do?

What does the second step down transformer do?

Does a step up transformer have more coils on the output side?

What is the order of start up times for power stations from shortest to longest?

Energy can be dissipated

What is a kilowatt hour sometimes called?

Why does voltage need to be increased before electricity goes down power cables?

What is carbon capture?

Name two radioactive fuels