• Cells

    • Microscopy, size and magnification

      What can we learn about cells and their structure from examining them in very fine detail?

    • Cells and specialisation

      Plants and animals consist of different types of cell that work together. What structures do animal and plant cells have in common?

    • Diffusion

      Diffusion is the random movement of a substance from a region of high concentration to a region of low concentration.

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