University of Washington
The Carbon Cycle
When it comes to the carbon cycle, the sky really is the limit. The lesson begins with observing a closed ecosystem in a bottle. Then, scholars discuss and answer questions on the carbon dioxide and oxygen cycles.
Curated OER
Tree Cycles
Fourth graders investigate the life cycle of a tree by researching the Internet. In this plant life lesson, 4th graders observe The Life of a Tree website and discuss the life of a tree from sprout to death. Students create a cross...
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Oxygen-Carbon Dioxide Cycle
Fifth graders observe a diagram of the oxygen-carbon dioxide cycle to know that when they breathe out, they exhale carbon dioxide as do animals. They observe an aquarium containing both plants and fish and discuss the cycle. They then...
Curated OER
Ecosystems Beneath the Surface
Sixth graders create a KWL chart about microorganisms. In this biology lesson, 6th graders create and label a diagram on a microbial mat. They investigate the processes involved in the carbon, oxygen and sulfur cycles.
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Extensions - Biology Review Unit
Students engage in a variety of activities in order to review a Biology unit. For example, they research the Bird Flu, it's history, how it is spread, what has been done about it, what better options exist for controlling or removing it....