Tenth graders study environmental values vs. economic development. In this environmental decisions lesson students role play in a policy making setting.
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Soil pH Effect on Germination of Specific Weeds
High schoolers collect weed seeds from three varieties of weeds (knapweed, thistle, or toadflax, for example they may choose others in addition to the spotted knapweed.) They sterilize soil for thirty containers, plant seeds in sterile...
9th - 12th Science