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The Inner Planets

  • Game Code: 530083
  •  English    22     Public
    Practice vocabulary and remember facts about our four amazing inner planets of our solar syste.
  •   Study   Slideshow
  • Name the four inner planets
    Mercury, Venus, Earth, and Mars are the four inner planets.
  •  15
  • This is a colorless, odorless gas that is present in our proteins.
    What is nitrogen?
  •  20
  • Which of the inner planets has clouds made of sulfuric acid?
    Venus
  •  15
  • Which two inner planets are nearly the same size?
    Venus and Earth are nearly the same size.
  •  15
  • A colorless and odorless gas we breathe to stay alive.
    Oxygen
  •  15
  • The space near a magnet in which a force acts on another magnet.
    Magnetic Field
  •  20
  • The gaseous envelope surrounding a planet.
    Atmosphere
  •  20
  • True or false: The days and nights on Venus are both hot.
    True
  •  15
  • What is Earth's atmosphere (氣氛) mostly made of?
    It is mostly made up of oxygen and nitrogen.
  •  20
  • What does Earth's atmosphere and magnetic field protect us from?
    It protects us from (the deadly) rays of the Sun.
  •  20
  • How many hours does it take Earth to make a full rotation/spin?
    It takes 24 hours.
  •  20
  • What is Earth's moon called?
    It is called Luna.
  •  20
  • What does Mars have that Earth has too? (can you name 4)
    They both have canyons, fog, clouds, and volcanoes.
  •  25
  • Which inner planet is closest to the Sun?
    Mercury is the closest to the Sun.
  •  15
  • What divides the inner planets from the outer planets?
    An asteroid belt divides the inner planets from the outer planets.
  •  20
  • True or false: All the inner planets are rocky planets.
    True
  •  15
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