F-10 Curriculum (V8)
F-10 Curriculum (V9)
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Do you know how radios transmit sound, or how ultraviolet light travels through the air? Listen to Bernie Hobbs explain electromagnetic radiation and discover what radios, ultraviolet light, x-rays and nuclear blasts have in common. Find out about their energy levels, how they travel from place to place, and at what speed, ...
When electrons in your retina absorb photons of light they don't emit light, they cause a molecule to change shape - and that lets you see colour!
Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.