740746
Beschreibung
Karteikarten von Adam Collinge, aktualisiert more than 1 year ago
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Erstellt von Adam Collinge
vor mehr als 10 Jahre
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| Frage | Antworten |
| How does a wind turbine work? | Each wind turbine has its own generator. The electricity is generated directly from the wind turning the blades, which turn the generators |
| Give three positive aspect of using wind turbines. | 1) There's no pollution 2) There are no fuel costs 3) There's no permanent damage to the landscape |
| Give three negatives, regarding using wind turbines. | 1) They spoil views 2) They can be noisy 3) The initial cost is high |
| Give two appliances that work reasonably well with solar panels. | Watches and calculators |
| Give three positives for solar panels. | 1) Theres no pollution 2) In sunny countries they are very reliable 3) After the initial costs are paid, energy is free and there is no running cost |
| Give two negatives about using solar panels. | 1) Its often not practical or too expensive to connect to the national grid 2) The initial costs are high |
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