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Student Exploration, Seed Germination. Gizmos

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Prior Knowledge Question (Do this BEFORE using the Gizmo.) Plants that produce fruit or vegetables grow from seeds. Suppose you want to start a vegetable garden using seeds. How could you get the se ... eds to sprout? I would first off plant the seeds in the ground somewhere with good soil and space for the garden to grow and expand. I would also ensure that this location has just the right amount of shade and sunlight mixture. Gizmo Warm-up Seeds are only able to sprout, or germinate, under the right conditions. The seeds of different species of plants need different amounts of light, temperatures, and moisture levels in order to germinate successfully. In the Seed Germination Gizmo™, you will perform a series of experiments to determine the best conditions for germinating three different types of seeds. 1. Look at the DESCRIPTION tab. How many seeds are in the germination chamber? 100 2. Click Play ( ), and observe the SIMULATION pane. A. What happened over the simulated five-day period? Some of the seeds sprouted and the other did not. 55 of the 100 seeds actually sprouted. B. How does the appearance of a seed on the SIMULATION pane change once the seed has sprouted? When it sprouts a yellow vine type thing emerges from the seed and points upward C. How many seeds sprouted? 55 D. How many seeds did not sprout? 45 [Show More]

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