As an example of nature's water filtering system, young ecologists conduct an experiment in the lab. They construct a funnel out of a plastic bottle, fill it with specified layers of materials that simulate layers of soil, then run muddy...

Your health class reads two biographical stories: one about a girl who has allergies and the other about a girl who has asthma. They watch a quick cartoon on the KidsHealth website about immunity and take the related online quiz. You...

Learners conduct a series of exploration activity on how vaccines and antibodies work. In this biology instructional activity, students test how antigens and antibodies work in the body. They discuss the benefits of vaccines in promoting...

High schoolers discuss the importance of plankton in the ocean ecosystem. In this biology lesson plan, students identify the different types plankton by observing them under the microscope. They explain how plankton population affect...

High schoolers determine the physical and chemical factors that affect plant growth. In this biology lesson, students explain the role of hormones in plants. They investigate how competition with other plants affect their growth.

Students explore physical science by participating in a science examination. In this microscope tutorial lesson, students read the book The Naked Eye and discuss the purpose for using a microscope in the field of science. Students...