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This tutorial explains: how the orbit of the moon creates the different moon phases seen from Earth; the five basic moon phases (new, crescent, quarter, gibbous, and full moons); the sequence these phases follow as the moon orbits Earth such as the waxing and waning sequences; blue moons; and solar and lunar eclipses. Full description.
Grade level: Informal
Resource type: Tutorial, Illustration - scientific, Photograph
Subject: Space science
 
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This resource is included in the following collections:
DLESE Community Collection (DCC)    Browse collection
Pedagogically Annotated Collection     Browse collection
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This site contains slide shows and virtual field trips of Yellowstone National Park. There are several slide shows to chose from, including wolves of Yellowstone, bear research, fire ecology, the history of Yellowstone and the influence of art on Yellowstone Park. Each program features slides containing text and photographs. There is also an orientation slide show about the National Park system. More ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), Informal, General public
Resource type: Field trip - virtual, Guide for instructor, Lesson plan, Presentation / Demo, Photograph, Ask an expert
Subject: Biology, Ecology, Environmental science, Forestry, Human geography, Natural hazards, Policy issues
 
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Related resources and collections
This resource is included in the following collections:
Cutting Edge    Browse collection
Pedagogically Annotated Collection     Browse collection
DLESE Community Collection (DCC)     Browse collection