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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
Which is closest to our Sun in our solar system?
  1. Pluto
  2. Earth
  3. Mercury
  4. Mars
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
At different latitudes the Sun's energy strikes Earth                             .
  1. at the same angle
  2. at different angles
  3. only during part of the year
  4. only at night
Grade 9 Inner Planets
The predominant component of the atmosphere of the planet pictured is                .
Planet Venus - Small
  1. oxygen
  2. nitrogen
  3. carbon dioxide
  4. carbon monoxide
Grade 9 Inner Planets
The biggest volcano in the solar system is on which planet?
  1. Io
  2. Jupiter
  3. Venus
  4. Mars
Grade 9 Inner Planets
Venus is an extremely hot planet.
  1. True
  2. False
Grade 9 Inner Planets
Which is the smallest inner planet?
  1. Sun
  2. Mars
  3. Venus
  4. Mercury
  5. Earth
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
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
Which planet appears brighter than all other planets?
  1. Venus
  2. Jupiter
  3. Uranus
  4. Mercury
Grade 9 Inner Planets
Which one of the following objects is not volcanically active?
  1. Earth
  2. Io
  3. Enceladus
  4. Mars
Grade 9 Inner Planets
Which planet is the Valles Marineris on and what is it?
  1. Jupiter; the largest storm cloud in the solar system
  2. Mars; the largest volcano in the solar system
  3. Mars; the "Grand Canyon" of the solar system
  4. Mercury; the largest crater in the solar system
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