Captain Planet Foundation
Which Plant Is Which?
Learn about dichotomous keys, plant identification, and how to care for the planet with a lesson that includes several hands-on and innovative activities. Kids go on a plant scavenger hunt and classify the plants that they find...
Curated OER
Effects of Weathering
Here's a great geology lesson plan for 3rd graders on weathering and erosion of soil. After a class discussion on how nature can "move a mountain," learners take a look at how a modern phenoma called acid rain can also cause weathering...