KS2 Science Lesson Plan – Exploring the Solar System

What's included?

PDF lesson plan

Key Stage



Years 3-6


The science we now accept as fact was once heresy. Explore the solar system with Ian Goldsworthy by having your students write a letter from Galileo to the Pope.

Have you ever looked at the stars and wondered what exactly is up there? Of course you have, and so has every child in your class.

The wonder of the universe is something that has transfixed humans for millennia and the Y5 science unit of Earth and space provides a wonderful opportunity to explore both our current understanding of the solar system and the misconceptions which used to hold sway.

Understanding that science is a constantly refined and updated body of evidence is an important concept which can be introduced through the story of Galileo Galilei.

What they’ll learn

  • The order of the planets
  • Number of moons orbiting Jupiter, as observed by Galileo
  • Theory of the heliocentric solar system
  • Development of our understanding of the movement of the planets in the solar system

Browse more resources for World Space Week.

KS2 space lesson plan
KS2 Science Lesson Plan – Exploring the Solar System

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