The Classic Elements are Fire, Water, Earth and Air. Water and Earth should make Mud, and Fire and Water Steam... or maybe that's Air and Water? Find out by playing Doodle God. See how many of the 115 derived substances you can discover.
And meanwhile, a favourite of my childhood, by Julie Felix.
Wednesday, 15 September 2010
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The good old days, when we thought the world was divided into Air, Earth, Fire, and Water. These days we have realized that matter can be divided into four states, Gaseous, Solid, Plasma, and Liquid.
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