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Ninth Grade (Grade 9) Inner Planets Questions

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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 Inner Planets
Grade 9 Inner Planets
Which describes Mercury's position in the solar system?
  1. innermost terrestrial planet
  2. innermost Jovian planet
  3. outermost terrestrial planet
  4. outermost Jovian planet
Grade 9 Inner Planets
Grade 9 Inner Planets
Grade 9 Inner Planets
Grade 9 Inner Planets
The inner planets are composed mostly of which materials?
  1. rocks and minerals
  2. dust and gas
  3. land and clouds
Grade 9 Inner Planets
Grade 9 Inner Planets
What is Olympus Mons?
  1. a volcano on Mars
  2. a volcano on Venus
  3. a crater on the Moon
  4. a dwarf planet beyond Pluto
Grade 9 Inner Planets
Which is the smallest inner planet?
  1. Sun
  2. Mars
  3. Venus
  4. Mercury
  5. Earth
Grade 9 Inner Planets
Grade 9 Inner Planets
Grade 9 Inner Planets
Which planet is 1.00 au from the Sun?
  1. Mercury
  2. Earth
  3. Neptune
  4. Mars
Grade 9 Inner Planets
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