Tropisms | Design Your Own Experiment
Design Your Own Experiment
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Whether your interest in plants is old or new, plants offer fascinating questions to explore through science experiments. Consider what puzzles you about plants. What have you wondered about? For example, if you cut the growing tip off a plant, will the remaining stem still turn toward the light? What if you turn a potted plant upside down and put the light source underneath the plant? Will the stem grow downward, toward the light?
Do roots grow differently if the seeds are planted upside down? What happens if you cut the tip off roots? Will they still turn toward the pull of gravity? Which way would roots grow in a zero-gravity environment? How might tropisms affect plants growing in a space station?
Check the For More Information section and talk with your science teacher or school or community media specialist to start gathering...
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