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Teaching Point: “To explain how the motion of celestial objects is apparent.”

Do Now: While moving at 60 mph in a car, you look over to the car to your right and notice that it appears to be motionless. How is this possible?. Teaching Point: “To explain how the motion of celestial objects is apparent.”.

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Teaching Point: “To explain how the motion of celestial objects is apparent.”

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  1. Do Now: While moving at 60 mph in a car, you look over to the car to your right and notice that it appears to be motionless. How is this possible? Teaching Point: “To explain how the motion of celestial objects is apparent.”

  2. TP: “To explain how the motion of celestial objects is apparent.”Apparent Motion of Celestial Objects Celestial Object- any natural objects that can be seen in our sky, including stars, planets, moons, asteroids, galaxies, and comets. Apparent motion- the apparent movement of celestial objects (i.e. our sun, the star, etc.) in our sky from east to west.

  3. TP: “To explain how the motion of celestial objects is apparent.”Daily Motion and the Stars • Almost all objects in the sky move at 15 degrees per hour and appear to circle around the North Star (Polaris) • The movement is created by Earth’s rotation on its axis

  4. TP: “To explain how the motion of celestial objects is apparent.”Different Constellations at Different Times of the Year • As Earth revolves around the sun, this changes which constellations can be seen. • This observation supports the idea that we revolve around the sun

  5. TP: “To explain how the motion of celestial objects is apparent.”Different Constellations at Different Times of the Year

  6. TP: “To explain how the motion of celestial objects is apparent.”Class Activity Student 1- explain in a paragraph how the movement of our sun during the day “apparent” and not “actual”? Student 2- depict the motion of our Earth at a rate of 15 degrees using either 1) a series of pictures, or 2) a camera exposure of star trails over a period of 2 hours. Student 3- create a model of how the constellations in our night sky change as the Earth revolves around the sun.

  7. TP: “To explain how the motion of celestial objects is apparent.”Depth of Knowledge How does your every day experience contradict the idea that we revolve around the sun, and that we rotate on the Earth’s axis? or Why do you think some people feel threatened by the discovery that the Earth is NOT the center of the universe? Explain in detail.

  8. TP: “To explain how the motion of celestial objects is apparent.”Lesson Summary • What is the most important thing you learned in today’s lesson? • Why was that the most important thing that you learned?

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