Students identify the main concepts and ideas of the nitrogen cycle. They review key concepts covered up to this point in ecology including food chains, food webs, energy pyramids, and bio-geochemical cycles.

Fourth graders investigate food chains. They review cycles and discuss ecosystems. They select an environment and create a food chain in small groups. They write their food chain and label it for the class to evaluate. They create...

Learners explore the process of photosynthesis in plants. They discuss the purpose of photosynthesis and its components. Students discuss the importance of photosynthesis for plants and they examine the parts of the plant that play an...

Students are able to respond to a reading passage concerning human effects (under development) in Madagascar. They have a quiz on primary and secondary succesion as their bell ringer. Students write an essay on the topic "No man is an...