yeast and either baking soda, flour, salt or sugar

Thursday, January 24, 2013
MICHIGAN K.I.D.S. | WWW.DNIE.COM
yeast and either baking soda, flour, salt or sugar.
Nothing happened in the first three flasks. But
sugar caused a violent reaction in the fourth.
“It blew up!” said Josh Prim, 11, a Detroitarea 5th grader.
Richard said the reaction is called cellular
respiration. “That’s a process in which the
enzymes in yeast take sugars and transform
them into energy and CO2,” or carbon dioxide,
a gas.
Josh and his sister, Kayla, 9, were impressed.
“Yeast helps dough to rise,” Richard said. “Do
you think it’s alive or non-living? It doesn’t look
like a plant, and it doesn’t look like an animal,
but it’s alive.” How cool is that?
Congratulations to everyone involved in giving
us back our science center!
By Patricia Chargot
For more, visit
www.michigansciencecenter.net.
Photos Courtesy of Michigan Science Center
Above, Mom Julie Johnson introduces her daughter, Ashley, and son, William, to the wonders of the
human skeleton at the new Michigan Science Center.
Left, Koran Douglas explores one of the displays in the
center’s Waves and Vibrations Gallery.
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