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Ninth Grade (Grade 9) Solar System Questions

You can create printable tests and worksheets from these Grade 9 Solar System questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Grade 9 Planetary Motion
How long does it take earth to complete one revolution?
  1. 29.5 days
  2. 365.25 days
  3. 24 hours
  4. 72 hours
Grade 9 Sun
Grade 9 Inner Planets
When the solar system formed, which planets lost most of their gases to the sun?
  1. the inner planets
  2. the comets
  3. the outer planets
  4. the asteroids
Grade 9 Outer Planets
What is the name of the region where icy bodies that lie beyond Neptune's orbit?
  1. The Kuiper Belt
  2. The Oort Cloud
  3. The Outer Asteroid Belt
  4. All of the Above
Grade 9 Planetary Motion
Grade 9 Planetary Motion
Grade 9 Outer Planets
Io is a moon of
  1. Mars
  2. Venus
  3. Jupiter
  4. the moon
Grade 9 Planetary Motion
The gravitational attraction between sun, moon, and Earth
  1. causes tides
  2. causes seasons to change
  3. causes a full moon
Grade 9 Inner Planets
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