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Watch: What are the gas planets?

Explore the solar system's gas planets and learn about their properties.

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Four gas planets

  1. Jupiter - The closest to the Sun of the gas planets and a massive 11 times bigger than the Earth.
  2. Saturn - The second closest and 9 times bigger than the Earth. Saturn has 82 moons!
  3. Uranus - 2.9 billion km from the Sun and 4 times bigger than the Earth.
  4. Neptune - 4.5 billion km from the Sun and also 4 times bigger than the Earth.
Image caption,
Jupiter, Saturn, Uranus and Neptune.

Neptune has the longest orbit of the Sun. It takes 1,979 Earth months!

Saturn's largest moon is called Titan.

The surface of these planets is made of two gases: hydrogen and helium.

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Activity 1: Find the gas planets

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Activity 2: Gas planets quiz

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Activity 3: Could humans survive on a gas planet?

Research one of the gas planets and create a fact file or poster about your chosen planet. Can you make any comparisons with Earth?

Could humans live on a gas planet and survive?

Try to write down five different reasons and explain why.

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Bitesize Primary games. game

Play fun and educational primary games in science, maths, English, history, geography, art, computing and modern languages.

Bitesize Primary games
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More on Earth and space

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