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Fifth Grade (Grade 5) Inner Planets Questions

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Grade 5 Inner Planets
Which planet was named after the Roman Messenger to the Gods?
  1. Venus
  2. Mercury
  3. Mars
  4. Saturn
Grade 5 Inner Planets
Mars is the                 planet from the Sun.
  1. 1st
  2. 6th
  3. 2nd
  4. 4th
Grade 5 Inner Planets
The surface of Mercury looks most similar to the surface of                .
  1. Venus
  2. Jupiter
  3. the Sun
  4. the Moon
Grade 5 Inner Planets
Mercury, Venus, Earth, and Mars are "Gas Giant" planets.
  1. True
  2. False
Grade 5 Inner Planets
The atmosphere of Mars consists mainly of                .
  1. carbon dioxide
  2. oxygen
  3. helium
  4. hydrogen oxide
Grade 5 Inner Planets
Earth is a satellite of the Sun.
  1. True
  2. False
Grade 5 Inner Planets
The magnetosphere protects Earth from harmful solar particles.
  1. True
  2. False
Grade 5 Inner Planets
          Mercury           is the closest planet to a Sun.
Grade 5 Inner Planets
All the inner planets have oceans of water on them.
  1. True
  2. False
Grade 5 Inner Planets
A year on Mercury is
  1. shorter than a year on Venus.
  2. longer than a year on Jupiter.
  3. the same as a year on Earth.
  4. the same as a year on Mars.
Grade 5 Inner Planets
A day on Venus is
  1. shorter than a day on Earth.
  2. shorter than a day on Mars.
  3. shorter than a day on Jupiter.
  4. longer than its year.
Grade 5 Inner Planets
Mars has "dry ice" on the poles.
  1. True
  2. False
Grade 5 Inner Planets
The shape of Earth as seen from a space photograph appears
  1. round and smooth.
  2. larger around the equator than around the poles.
  3. larger around the poles than around the equator.
Grade 5 Inner Planets
The temperatures on Mars remain fairly constant from day to night.
  1. True
  2. False
Grade 5 Inner Planets
How long does it take Mercury to revolve around the Sun?
  1. 100 days
  2. 88 days
  3. 36 days
  4. 365 days
Grade 5 Inner Planets
Compared to Earth, a day on Mercury last about                .
  1. 2 days
  2. 14 days
  3. 59 days
  4. 10 days
Grade 5 Inner Planets
Venus has               that are very hot and poisonous.
  1. heavy gases
  2. dark clouds
  3. thick clouds
Grade 5 Inner Planets
Which planet is known as the "Red Planet?"
  1. Mars
  2. Earth
  3. Venus
  4. Saturn
Grade 5 Inner Planets
Why is gravity so important?
  1. Because it keeps us from falling into space.
  2. Because it keeps us on earth.
  3. Because without it we wouldn't have an atmosphere.
  4. All of the above.
Grade 5 Inner Planets
Which of the following planets has a large, solid core?
  1. Jupiter
  2. Mercury
  3. Neptune
  4. Saturn
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