Curated OER
Tree Cycles
Fourth graders investigate the life cycle of a tree by researching the Internet. In this plant life lesson, 4th graders observe The Life of a Tree website and discuss the life of a tree from sprout to death. Students create a...
Curated OER
Ecosystems Beneath the Surface
Sixth graders create a KWL chart about microorganisms. In this biology lesson, 6th graders create and label a diagram on a microbial mat. They investigate the processes involved in the carbon, oxygen and sulfur cycles.