The Solar System in order
KS2 · 20 minutes · Name the planets and explain why they orbit.
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Our learning goal
Name the planets and explain why they orbit.
Your turn: Choose one thing you would like to understand by the end.
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My lesson notes & project
Full teaching script
- Today: The Solar System in order. Our goal: Name the planets and explain why they orbit.
- Take one idea at a time. Pause after each sentence; ask for repetition whenever you need it.
- Eight planets circle one ordinary star. Mercury, Venus, Earth and Mars are small rocky worlds close in. Jupiter, Saturn, Uranus and Neptune are giants of gas and ice, far out where it is cold enough for light gases to hold together. Nothing is being pulled along by string: each planet is falling towards the Sun forever and missing, because it is also moving sideways fast enough. That endless falling-and-missing is an orbit.
- Together: choose one example from the explanation and show how it works. What do you notice?
- Your turn: Pace out a scaled solar system in a park: one big step per 10 million km.
- Reflect: what made sense, and what would you like explained differently?
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