F-10 Curriculum (V8)
F-10 Curriculum (V9)
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Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.
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!
Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.
This 6 minute video segment from Catalyst is an excellent introduction to the science behind photovoltaics. A useful comparison of the efficiency of energy conversion. Discussion of other issues considered in producing devices to use renewable energy to make electricity.