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Solar System Questions - All Grades

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Grade 6 Outer Planets
What two gases mostly make up Saturn?
  1. oxygen and helium
  2. oxygen and nitrogen
  3. hydrogen and helium
  4. hydrogen and nitrogen
Grade 4 Inner Planets
Which planet is closet to the Sun?
  1. Mars
  2. Earth
  3. Venus
  4. Mercury
Grade 5 Outer Planets
Which planets have rings?
  1. Mars, Jupiter, and Saturn
  2. Saturn, Mars, Neptune, and Venus
  3. Jupiter, Saturn, Uranus, and Neptune
  4. Jupiter, Saturn, Neptune, and Venus
Grade 3 Small Bodies and Dwarf Planets
Grade 8 The Moon
Grade 6 The Moon
When the people on Earth cannot see a Moon, which phase is the Moon in?
  1. Full Moon
  2. Waxing Crescent
  3. New Moon
  4. Waxing Gibbous
Grade 4 Outer Planets
What is the largest planet in the solar system?
  1. Neptune
  2. Mercury
  3. Saturn
  4. Jupiter
Grade 6 Planetary Motion
Grade 5 The Moon
Craters on the Moon were created by
  1. satellites.
  2. meteorites.
  3. comets.
  4. equipment from human exploration of the Moon.
Grade 4 Inner Planets
Grade 6 Outer Planets
What are the outer planets?
  1. Mercury, Venus, Earth, Mars
  2. Jupiter, Saturn, Uranus, Neptune
Grade 7 Small Bodies and Dwarf Planets
Grade 11 Planetary Motion
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