Learners examine the carbon dioxide cycle in the atmosphere. In this element lesson plan, students discuss the relationship between carbon dioxide on Earth and the plants that store it. Learners play a game to ensure their...

Fourth graders examine the interdependence of the oxygen and carbon dioxide cycle in an ecosystem through a laboratory investigation. After a lecture/demo, 4th graders complete the lab in groups.

In this environmental science instructional activity, learners will read several paragraphs about greenhouse gases and the role trees play in clearing carbon dioxide from the air. Then students will use data about carbon dioxide stored...