All life needs water | Bitesize Science
Osmosis is a special type of diffusion, involving water, where molecules move from a high to a low concentration.Tweet
The power of invisibility | Bitesize Science
Light moves at different speeds through different objects, this can make objects appear in a different place to where they actually are.
Internal reflection | Bitesize Science
An examination of how light can be internally reflected, and how this is used for carrying information in fibre optic cables.