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National Science Education Standards:
No  
Educational Level:
Informal education  
Learning Time:
5 to 10 minutes  
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This classic video explains the history, debate and continuing discussion of the definition of a planet.

Keywords: Dwarf planet
Audience: Middle school, High school, Informal education
Materials Cost: Free

This is an activity about constellations. Learners will make a "star finder" toy and play a game to find a constellation in the night sky.

This 5-minute animation portrays fluctuations in the cryosphere through observations collected from a variety of satellite-based sensors. The cryosphere consists of those parts of the Earth's surface where water is found in solid form, including... (View More)

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