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Delta Science Modules Plants in Our World Teacher's Guide

Grades 6 - 8


From corn to cotton to cork, plant products are varied and valuable. This unit invites students to investigate Plants in Our World from the roots up. First they focus on the tissue system that transports water and nutrients within the plant. Next, controlled experiments with seedlings confirm that plants need light and water. Students use three chemical indicators as they test plants for carbon dioxide, starch, and chlorophyll. Through these investigations, they determine how plants give off and take in gases, and produce and store food. Students express their findings in equations for respiration, transpiration, and photosynthesis. To close, students compile a comprehensive list of the ways people use plants and plant-based materials. (12 Activities)

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