Phototropism–response to direction of light
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Bernard Nebel.
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Note that for the first 15 seconds of this video the light is coming from the left. At 15 sec it is shifted to coming from the right. Note how plants respond. From 23 sec on is a repeat of this demonstration. Note that this response is not as rapid and the video makes it seem
–note real time in lower left of video. Please help kids perform this demonstration for themselves and let us know how it goes
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