Litter, garbage, and pollution are all addressed in a nice lesson on waste and recycling. Learners discuss what litter is and how it affects the environment. Then, they sing a song about eliminating litter before going out on campus to...

Fourth graders watch a video about the types of products made from oil or oil used as energy to produce the product. In groups, they identify the positive and negative aspects of oil and participate in various activities. They use the...