4 results found for 11-14-year-olds

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00:07:00

Potato Battery

by Jonathan Hare | Lectures | 11-14 and upwards | 15 years ago | 2753 views More details Watch now
00:04:00

Shake-a-Gen

by Jonathan Hare | Lectures | 11-14 and upwards | 15 years ago | 1745 views More details Watch now
00:04:00

Seawater Battery

by Jonathan Hare | Lectures | 11-14 and upwards | 15 years ago | 3178 views More details Watch now
00:03:00

Three Windmills

by Jonathan Hare | Lectures | 11-14 and upwards | 15 years ago | 1671 views More details Watch now