Apr 16, 2007
What connects cooling computer chips, melting car engines, and a balloon that will not pop? This week’s science video sees Robert Krampf explaining the principles behind heat sinks, car radiators, water cooling, and how to hold a balloon above a burning candle without it ever popping.
Krampf points out that, “Because we’re using fire, always …
Dec 27, 2006
How does adding salt to water affect its boiling point? You will find several clues and key words below.
But, first check out this great science project you can download now that includes A Pinch of Salt which will help you answer that question.
The fact that dissolving a salt in a liquid, such as water, affects its boiling point comes under the …
Dec 25, 2006
The short answer is no. Despite what you may have heard some snowflakes are exactly the same shape and size as other snowflakes.
The long answer follows:
Jon Nelson, a researcher with Ritsumeikan University in Japan, has studied snowflakes for fifteen years, and has some interesting insights into their delicate structures. He points out that the old adage that ‘no two snowflakes are alike’ might be true for larger snowflakes, but it …
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Grab a bunch of new science projects: Hair today, gone tomorrow; "C" you later; Yeast rising to the occasion; Cheap heats; The dirt on dirt: FIVE great middle school science projects complete with simple supplies list, full instructions, research materials, and sample results charts and graphs.
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