Geography of Canadawww.CraigMarlatt.com/school

Energy

Energy

1. Sources of Energy

2. Use of Energy

3. Conservation of Energy

Sources of Energy

• Can you identify the 9 different sources of energy depicted in this drawing?

Sources of Energy

Solar

WindHydro

Nuclear

Tides

Waves

Fossil Fuels

Biomass

Geothermal

Sources of Energy

Coal

Natural Gas

Oil

Nuclear

Hydro

Wind

Solar

Geothermal

Tidal

Sources of Energy

• Fossil Fuels 70%– Coal 52%– Natural Gas 15%– Oil 3%

• Nuclear 19%• Hydro 9%• Wind 0.5%• Solar 0.5%• Geothermal 0.5%• Tidal 0.5%

Sources of Energy

• Solar

Source Pros Cons

Sun free source unlimited env. friendly

not efficient expensive set-up

Sources of Energy

• Geothermal

Source Pros Cons

Natural heat coming from the Earth

free source unlimited env. friendly

expensive set-up few locations

Sources of Energy

• Biomass

Source Pros Cons

Burning natural products or waste

free source env. friendly gets rid of waste

environment better use of

natural products?

Sources of Energy

• Hydro

Source Pros Cons

Moving river water cheap source env. friendly recreation

flooding impacts expensive set-up

Sources of Energy

• Waves

Source Pros Cons

Ocean waves free source unlimited

navigation safety eyesore

Sources of Energy

• Tides

Source Pros Cons

Rising and falling water

free source unlimited two-way

only 25 locations navigation safety eyesore

Sources of Energy

• Wind

Source Pros Cons

Moving air free source env. friendly

expensive set-up eyesore, birds inconsistent source

Sources of Energy

• Nuclear

Source Pros Cons

Atom splitting not expensive source

lots of source

safety concerns expensive set-up weapons possible

Sources of Energy

• Fossil Fuels

Source Pros Cons

Burning of coal, oil, or natural gas

not expensive source or set-up

readily available

environment not renewable