F-10 Curriculum (V8)
F-10 Curriculum (V9)
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Watch this clip and learn why Pluto was taken off the official list of planets. Dr Karl Kruszelnicki explains the three criteria that must be met before planets can be called planets. What are they?
A small galaxy of sites and resources, from Galileo making discoveries that changed our view of the universe, to new images and understandings from Hubble, on a page tailored for Primary students.
This is a close-up of a mechanical model of part of the solar system, commonly known as an orrery, made by renowned London instrument maker Benjamin Martin in about 1770. This bronze model features a cylindrical clockwork mechanism with an orb representing the Sun placed in the centre. Extending from this on an arm is a ...