Ancient Greek Physics and Astronomy

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Across
  1. 3. One of the domain view of the universe that is imperfect and temporary.
  2. 4. the appearance that the objects in the sky moves relative to the Earth's local horizon as observed for one whole day at the same location on Earth
  3. 5. According to Ptolemaic model, each planet moves in a small sphere or circle called as ___________.
  4. 8. It is the most accurate model of the universe that was unrivaled for about 1,400 years
  5. 9. He was the first person to negate the idea of most Greek astronomers that the Earth is the center of the universe. Instead, he believed that the sun is the center of the universe.
  6. 10. He was the one who developed the heliocentric universe proposed by Aristarchus before.
  7. 13. The 5 planets that were used in the ancient models of the universe were Mars, Venus, Mercury, Jupiter and _________.
  8. 14. It is a visual representation of a scientific concept or idea
Down
  1. 1. True or False. People rejected Aristarchus' model of the universe because his original writings were lost in the destruction of the Great Library of Alexandria in AD 415
  2. 2. It is a type of terrestrial motion that involves the application of force to make an object move
  3. 6. Celestial domain objects are believed to move in a ___________ at a constant speed.
  4. 7. It is also known as the perfect substance that comprises the celestial domain-view of the universe
  5. 8. He placed Earth as the center of the universe
  6. 11. He was the first person who devised a model of the universe
  7. 12. True or False. The tychonic model believes that the Earth is moving around the Sun.