Bigger or Smaller? Planets and Animals

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Two things, one question: which is bigger? From planets to bears.

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Question 1 of 10

Which planet is bigger: Earth or Venus?

Answers to This Quiz

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  1. Which planet is bigger: Earth or Venus?

    Answer: Earth

    Earth is slightly bigger. Venus is about 95% of Earth’s width.

  2. Which planet is wider: Uranus or Neptune?

    Answer: Uranus

    Uranus is a little wider, but Neptune has more mass.

  3. Which is bigger: our Moon or Pluto?

    Answer: The Moon

    Our Moon is about 3,475 km across. Pluto is about 2,377 km.

  4. Which is bigger: the planet Mercury or Jupiter’s moon Ganymede?

    Answer: Ganymede

    Ganymede is the largest moon in the solar system and is wider than Mercury.

  5. Which is wider: the Sun, or 100 Earths placed side by side?

    Answer: The Sun

    The Sun is about 109 times as wide as Earth.

  6. Which planet is bigger: Mars or Earth?

    Answer: Earth

    Mars is only about half as wide as Earth.

  7. Which planet is bigger: Saturn or Jupiter?

    Answer: Jupiter

    Jupiter is the largest planet. Saturn is second.

  8. Which animal is heavier: an adult African elephant or an adult hippo?

    Answer: African elephant

    African elephants are the heaviest land animals and usually weigh several tons more than a hippo.

  9. Which animal has the bigger brain: a human or a sperm whale?

    Answer: A sperm whale

    The sperm whale has the largest brain of any animal, about five times heavier than a human brain.

  10. Which is usually bigger: an adult male polar bear or an adult male grizzly bear?

    Answer: Polar bear

    Polar bears are the largest bears, and the largest land carnivores.

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