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Educational Level:
Families  
General public  
Learning Time:
5 to 10 minutes  
SMD Forum - Primary:
Planetary Science  
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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

Learners will explore the physical characteristics of comets by reaching into a series of boxes and feeling the materials and structures within. They will describe what they observe and speculate on comet characteristics being modeled in each box,... (View More)

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