P1: the earth and the universe

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  • P1: the earth in the universe
    • mathematical skills
      • sense of scale
        • slow and fast
          • tectonic plates
          • light
        • earth and universe
          • ages
          • sizes
      • calculating with data
        • mean
        • range
      • using equations
        • speed=distance/time
        • wave speed=frequency x wavelength
          • wave properties
    • developing explanation
      • data
        • imagination
          • explanation
            • prediction
              • accept
              • reject
    • scientific community
      • disagreement
        • different possible explanations
      • testing new explanations
        • peer reviewed?
        • replicated or reproduced?
    • waves
      • longitudinal
        • tsunami waves
        • radio waves
        • ultra sound waves
      • transverse
        • seismic waves
        • magnetic field
      • frequency
      • wavelength
      • amplitude
      • crest
      • trough
    • the changing earth
      • core, mantle and crust
        • tectonic plates
      • evidence in the rocks
        • fossils
        • layers
        • Wegeners
          • sea floor spreading
          • initial reflection
    • our place in the universe
      • galaxies
        • expanding universe
        • stars
          • measuring distance
            • parallax
            • brightness
          • light years
      • Solar System
        • sun
        • planets
          • moons
        • comets
        • asteroids
        • dwarf planets

Comments

Angela

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Is this the old spec? bcz I do OCR too and this isn't P1

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