I checked the 2 homework assignments and briefly reviewed selected problems. Most of the period I talked about the history of planetary motion and how we know what we know about our solar system. Students did an activity to learn about Kepler's laws of motion using an online simulation. We concluded the period by learning about how Newton pulled all of the astronomers prior knowledge together to develop his Law of Universal Gravitation.
HW: Finish WS 11-1; Correct Vector HW and WS 9-2; study for quiz on vectors.
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