Energ?a del viento (Wind Power)
Energ?a para el presente (Energy for Today)
A waving flag, blowing leaves, a kite soaring through the sky--all are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.
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Level | Points |
|---|---|---|
| 3 | 4 |
