Saturday, January 12, 2013

HC2H3O2(aq) + NaHCO3 (s) --> NaC2H3O2(aq) + CO2(g) + H2O(l)

Here is a sneak peek at science week.....















AND then there's this version....




PS The boys are now wearing swim or safety goggles when they set up these bottle-rockets!  The schoolwork part of this fun project has the boys testing different ratios to see what difference it makes -- anecdotally, they learned (the hard way) that more vinegar + more baking soda = a VERY short reaction time....too short to get the system closed up and get out if the way of  a vinegar explosion.  They spent the weekend launching rockets but next will set it up as a proper experiment and collect some actual data.  Here starts the official ISAZ Science Fair Countdown!

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