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Seventh Grade (Grade 7) Planetary Motion Questions

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Grade 7 Planetary Motion
Match the planet with its appropriate revolution period.
__ Mars A. 12 years
__ Mercury B. 687 days
__ Neptune C. 165 years
__ Uranus D. 88 days
__ Earth E. 365.25 days
__ Venus F. 30 years
__ Saturn G. 84 years
__ Jupiter H. 225 days
Grade 7 Planetary Motion
Geocentric Model of the solar system was accepted for 1,400 years
  1. Copernicus
  2. Galileo
  3. Ptolemy
  4. Kepler
Grade 7 Planetary Motion
Replaced circles with ellipses in heliocentric model of the universe
  1. Kepler
  2. Copernicus
  3. Galileo
  4. Ptolemy
Grade 7 Planetary Motion
Equinox
  1. means equal night.
  2. happens when the noon Sun is directly over the equator.
  3. is when all of Earth has 12 hours of day and 12 hours of night.
  4. all of the above
Grade 7 Planetary Motion
Solstice is when
  1. day is shorter than night.
  2. night is shorter than day.
  3. two days a year when the Sun is directly overhead.
  4. all of the above.
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