Natural Cycles
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Browse Full-length Non-member Titles![Trees and brush on the shoreline of a calm body of water. Caption: The water cycle involves the process of evaporation,](https://org-dcmp-staticassets.s3.us-east-1.amazonaws.com/posterimages/4583_1.jpg)
A cycle or rhythm is a repetition of behaving in a regular pattern. There are many natural cycles for living and nonliving things on earth. Covers circadian rhythm (behavior based on a 24-hour cycle), annual rhythm (based on a yearly cycle), the water cycle, and the oxygen and carbon cycle. Highlights familiar examples of each. Quiz after summary.
Media Details
Runtime: 20 minutes 38 seconds
- Topic: Science
- Subtopic: Earth Sciences
- Grade/Interest Level: 5 - 10
- Standards:
- Release Year: 2002
- Producer/Distributor: Visual Learning Systems
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