Curated OER
How Do We Know These Beetles Are Safe to Use?
Students evaluate the impact beetles have on plants. In groups, they select plants to expose to leaf-feeding beetles and place those beetles on the caged plants. They observe the beetles and discuss the insect and plant interaction...
Curated OER
The Discovery of Photosynthesis
Learners explore how scientists discover photosynthesis. In this biology lesson, students identify the basic requirements for photosynthesis to happen. They recreate past scientists' experiments and record their observations.