Here is a well-designed science lesson that shows learners that everything that organisms do in ecosystems, including running, breathing, burrowing, growing, requires energy. After a thorough discussion of their own eating and drinking...

In this beef learning exercise, students participate in a variety of activities including completing a digestion dilemma, identifying best meat cuts and selecting a service project to complete.

Sixth graders explore biology by viewing video clips in class. In this microorganism identification instructional activity, 6th graders identify the types of organisms that can feed small animals such as algae and protozoans. Students...