1.1 Energy basics for beginners
Energy is neither created nor destroyed — and yet the global demand for it continues to increase. But where does energy come from, and where does it go? Joshua M. Sneideman examines the many ways in which energy cycles through our planet, from the sun to our food chain to electricity and beyond.
A guide to the energy of the Earth - Joshua M. Sneideman
Quiz : Check how much you have learned from this video! :)
(Soruce : http://ed.ted.com/lessons/a-guide-to-the-energy-of-the-earth-joshua-m-sneideman)
Energy plays a major role in the everyday functions of our planet and all its life forms. From weather patterns and food chains, to human society’s daily electricity and heating needs, energy is the driver of everything we know. This video series highlights the seven Energy Literacy Principles, which demonstrate energy’s role across the natural and social sciences. The Energy Literacy videos are recommended.