skip to main content

Natural Cycles

20 minutes 38 seconds

Videos are generally available for preview to non-members as short clips. Limited full-length titles are also available. Log In to view the full length title.

Browse Full-length Non-member Titles
Still image from Natural Cycles

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

12 minutes
Grade Level: 7 - 12
4 Awesome Discoveries You Probably Didn't Hear About This Week
Episode 17
3 minutes
Grade Level: 10 - 12
4 Awesome Discoveries You Probably Didn't Hear About This Week
Episode 21
3 minutes
Grade Level: 10 - 12
WildFIRE PIRE
Episode 1
4 minutes
Grade Level: 7 - 12
WildFIRE PIRE
Episode 8
10 minutes
Grade Level: 9 - 12
Adventures of a Maritime Archaeologist
Episode 4
3 minutes
Grade Level: 7 - 12
Adventures of a Maritime Archaeologist
Episode 1
2 minutes
Grade Level: 7 - 12
America's National Monuments: Legacy Of The Great Plains
Episode 1
9 minutes
Grade Level: 7 - 12
America's National Monuments: Legacy Of The Great Plains
Episode 2
10 minutes
Grade Level: 7 - 12
All About the Holidays
Episode 47
2 minutes
Grade Level: 4 - 8