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6.1 Speed and durability
Spin the top hard and slowly.
Time the time.
6.2 Weight and mass distribution
Add weight to the center.
Add weight to the edges.
Here the concept (without formulas!) of moment of inertia is introduced.
Floor
Carpet
How does movement change? Why?
Simple language
Focus on play and colors
Comparisons
7.3 Secondary school
Introduction to Physics Concepts
Links to mathematics and technology
Small reports or experiment journals
8. Educational and emotional value
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