Solar System for Class 5

  • Ages 10–11
  • 6 questions
  • With answers
  • Read aloud by Leo

Leo reads each question and its choices out loud, then explains why the answer is right — whether your child gets it right or not. Free, no sign-up.

What to know first

The solar system is the Sun and everything that goes around it. There are eight planets. The four nearest the Sun are small and rocky; the four beyond them are much larger and made mostly of gas. Each planet spins as it travels, which is what gives it day and night.

Questions

  1. How many planets are there in our solar system?

    1. Seven
    2. Eight
    3. Nine
    4. Ten

  2. Which planet is closest to the Sun?

    1. Venus
    2. Earth
    3. Mercury
    4. Mars

  3. What is at the centre of the solar system?

    1. The Earth
    2. The Moon
    3. The Sun
    4. Jupiter

  4. What causes day and night on Earth?

    1. The Earth moving round the Sun
    2. The Earth spinning on its axis
    3. The Moon blocking the Sun
    4. Clouds covering the Sun

  5. Which planet has the most visible rings?

    1. Jupiter
    2. Saturn
    3. Uranus
    4. Neptune

  6. How long does the Earth take to go once around the Sun?

    1. One day
    2. One month
    3. One year
    4. Ten years

Answers and explanations

Show the answer key
  1. EightEight. Pluto was reclassified as a dwarf planet in 2006.
  2. MercuryMercury is nearest the Sun, which is why it is so hot on its sunlit side.
  3. The SunThe Sun is at the centre and its gravity holds all the planets in orbit.
  4. The Earth spinning on its axisEarth spins once every 24 hours. The side facing the Sun has day, the other has night.
  5. SaturnSaturn's rings are the brightest and easiest to see through a telescope.
  6. One yearOne full orbit takes about 365 days, which is why a year is that long.

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