Powering systems

What are fossil fuels?

Natural resources that form under ground over millions of years.

How are fossil fuels used typically?

Burnt to provide energy.

Are fossil fuels finite or non finite?

Finite

Advantages for fossil fuels

Reliable

Fairly cost effective

Disadvantages of fossil fuels?

Finite

Release greenhouse gasses

Advantages to nuclear power?

Reliable

Produces low levels of greenhouse gasses

Fairly cost effective

Disadvantages of nuclear power?

Finite

Costs loads to build and maintain

Costa loads to decommission safely

Dangerous waste difficult to dispose of

Examples of non finite energy?

Wind power

Solar

Tidal

Hydro-electric

Biomass

Advantages of non finite energy?

Smaller environmental impact

Cleaner

Usually cheaper in the long term

Disadvantages of non finite energy?

High set up costs

Some are less reliable

Can spoil the landscape

Some can have a big impact on the environment

Are alkaline batteries reusable?

No they are normally disposable

Typical uses for alkaline batteries?

Toys

Remote controls

Torches

Clocks

Are rechargeable batteries reusable?

Yes they can be recharged

What are rechargeable batteries typically used for?

Mobile phones

Laptops

Electric cars