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Activity 3.1
DIFFERENT USES OF ENERGY
Aim:
When you have completed this activity you will have traced the path of
different uses of energy back to the source.
| Source of energy |
|
Form of
energy use |
| Non-renewable energy sources |
|
Heat energy |
| 1. coal, oil, gas |
Heat energy – generator – electricity |
Light energy |
| 2. coal, oil, gas |
Burning for direct use
Chemical energy
Heat, light, sound etc |
Mechanical energy |
| Renewable energy sources |
|
|
| 3. sun |
Solar radiation – object |
Heat energy |
| 4. sun |
Solar radiation – solar cell |
Electrical energy |
| 5. wind |
Mechanical – generator |
Electrical energy |
| 6. wind |
Direct use |
Mechanical |
| 7. hydro |
Mechanical – generator – electricity |
Heat, light etc |
| 8. sugar |
Chemical |
Mechanical |
| 9. wood |
Burning for direct use |
Heat, light etc |
| 10. wood |
Heat – generator |
Heat, light etc |
| 11. bagasse |
Heat energy – generator – electricity |
Heat, light etc |
| 12. manure |
Methane – heat energy – generator – electricity |
Heat, light etc |
| 13. rubbish |
Methane – heat energy – generator – electricity |
Heat, light etc |
| 14. tides |
Mechanical – generator – electricity |
Heat, light etc |
| 15. geothermal |
Heat energy – generator – electricity |
Heat, light etc |
Procedure:
Using the information from the table above, and from the video, classify
the following according to their source of energy (using the number) and
the final form of energy used.
| Example: paddlewheel steamer |
9 |
mechanical (mainly) |
| |
Number |
Form of
energy use |
| (a) Botanical gardens greenhouse during the day |
|
|
| (b) Clothes drying in the sun |
|
|
| (c) Computer switched on, with screen saver working |
|
|
| (d) Diesel locomotive going to Toowoomba |
|
|
| (e) Windmill pumping water from underground |
|
|
| (f) Grass growing in the sunshine |
|
|
| (g) Hang gliders over Mt Tamborine |
|
|
| (h) Hot water panels on the roof on a sunny day |
|
|
| (i) Rubbish dump recycling unit |
|
|
| (j) Motor car driving up a mountain |
|
|
| (k) Motor car battery used to start an engine |
|
|
| (l) North Keppel recycling unit |
|
|
| (m) Remote navigation equipment on top of a mountain |
|
|
| (n) Rocky Point Sugar Mill |
|
|
| (o) Solar car being driven by Grandpa |
|
|
| (p) Using a hair curling appliance |
|
|
| (q) Steam train taking tourists for a ride |
|
|
| (r) Toaster burning the toast |
|
|
| (s) Yourself walking to school |
|
|
Available as:
 PDF
– Activity 3.1
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