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| Description: Student Exploration: Growing Plants Vocabulary: compost, fertilizer, mass, seed, soil, variable Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What do you think plants need to grow and stay healthy? healthy soil, sunlight, proper temperature, moisture, air, and nutrients. 2. Soil is a combination of tiny rock fragments and decayed plant materials. How do you think soil helps a plant?
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