• Edpuzzle: Models of the Universe
    epicyclesmodel

    1. While celestial objects appear to move across our sky each day/night, what is actually moving?
    2. The GEOCENTRIC MODEL is
    3. In a heliocentric model, which object is at the center?
    4. True or False: In the heliocentric model, the earth moves.
    5. The Heliocentric Model is
    6. Kepler was the first to say that planets don't move in perfect circular orbits but rather in:
    7. The planets travel along
    8. Why do objects speed up when they get close to what they are orbiting?
    9. What is the solar system model that we use today?
    10. Our solar system is