Energy wasting workout Find out how much energy is needed to power a light bulb?

11
Energy wasting workout Find out how much energy is needed to power a light bulb?

Transcript of Energy wasting workout Find out how much energy is needed to power a light bulb?

Page 1: Energy wasting workout Find out how much energy is needed to power a light bulb?

Energy wasting workout

Find out how much energy is needed to power a light

bulb?

Page 2: Energy wasting workout Find out how much energy is needed to power a light bulb?

What a waste!

Most people waste energy.

Wasting energy is polluting our world and causing it to heat up.

Page 3: Energy wasting workout Find out how much energy is needed to power a light bulb?

Do you ever waste energy?

Do you ever leave lights on?

How else do you waste energy?

Page 4: Energy wasting workout Find out how much energy is needed to power a light bulb?

Energy saving bulbs use less energy than normal light bulbs.

Guess how many energy-saving bulbs use as much energy as one normal bulb.

Normal 100W bulb. Energy saving bulb.

Page 5: Energy wasting workout Find out how much energy is needed to power a light bulb?

5 energy-saving bulbs use as much energy as 1 normal bulb!

100W

20W

20W20W

20W

20W

Page 6: Energy wasting workout Find out how much energy is needed to power a light bulb?

Let’s find out how long you must run on the spot to light each type of bulb

for one hour.

Split into two groups, then run on the spot to light each type of bulb for one hour? How long do you think you will need to run?

Do another exercise if you wish or pretend to be an energy making machine.

Page 7: Energy wasting workout Find out how much energy is needed to power a light bulb?

Jogging burns approximately 10 calories per minute!

Page 8: Energy wasting workout Find out how much energy is needed to power a light bulb?

Jogging for 1.42secs uses the same amount of

energy as is needed to light one energy saving

bulb for 1 hour.

Jogging for 8.36secs uses the same

amount of energy as is needed to light one

normal bulb for 1 hour.

Page 9: Energy wasting workout Find out how much energy is needed to power a light bulb?

Be energy – efficient!

But what can I do?

If every household installed two energy efficient light bulbs, enough energy would be saved in a year to supply all street

lighting in the UK.

Page 10: Energy wasting workout Find out how much energy is needed to power a light bulb?

Always remember to switch the bathroom light off after you go to the toilet.   Only fill the kettle with the amount of water you need.   Don't leave your computer on after you're finished using it.   If you feel cold try putting on a jumper before you turn up the heating.

Page 11: Energy wasting workout Find out how much energy is needed to power a light bulb?

Make a promise to save energy.