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Informal education
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Earth and space science
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Educational Level:
Elementary school programming  
Instructional Strategies:
Identifying similarities and differences  
Topics/Subjects:
Astronomy  
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This is a demonstration about the density of the planets. Learners will compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. They will then dunk the "planets" in water to highlight the fact... (View More)

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