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Explore phototropism, geotropism, thigmotropism and hydrotropism.
In this lab, students observe different types of tropic responses such as phototropism (light), geotropism (gravity), thigmotropism (touch), and hydrotropism (water), as they use these different stimuli to change the way a plant grows.
In addition they will learn what part of the plant is responsible for the tropism, and view the natural movement from germination to seedling.
Includes teacher's guide, student study and analysis copymasters, 1 pkg. each pea seeds and oat seeds, 10 plastic pots, 1 pkg. vermiculite, 1 pkg. petri dishes, 1 pkg. filter paper, 30 wooden stakes, aluminum foil.



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