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Kepler's Laws of Planetary Motion Activity

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In this activity, students will model Kepler's 3 laws of planetary motion. They will calculate the eccentricity and orbital velocity of the ellipses they draw, and then model orbital velocity with a washer and string.

Each group will need: a piece of cardboard, 2 thumbtacks, a ruler, 2 colored pencils, string, 2 washers, and a straw. Check out the preview for more details.

Included in your purchase:

- 3 page student worksheet

- Teacher directions

- Answer key

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