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Wacky Winter Weather Week Day 3
Posted: 02.15.2011 at 7:48 PM
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ALMA -- THERE IS A SCIENCE MYSTERY CALLED THE MPEMBA EFFECT. THIS IS WHERE BOILING WATER IS THOUGHT TO FREEZE FASTER THAN COLDER WATER. SOME UNIVERSITIES SAY IT'S TRUE, BUT MOST NOW DON'T THINK IT'S A TRUE SCIENTIFIC PRINCIPLE. SO I ASKED THE SIXTH GRADERS AT SAINT MARKY'S SCHOOL IN ALMA TO HELP ME PROVE OR DISPROVE IT.
SAINT MARY'S IN ALMA SAYS, "HELLO WE ARE THE FIFTH AND SIXTH GRADE CLASS FROM SAINT MARY'S SCHOOL IN ALMA. TODAY WE ARE GOING TO TEST IF BOILING WATER
FREEZES FASTER THAN COLD WATER. AS YOU CAN SEE OUR COLD WATER IS SIXTY DEGREES. OUR WATER SEEMS TO BE BOILING AND WE ARE READY FOR OUR EXPERIMENT.
AS YOU CAN SEE OUR THERMOMETERS SHOWS THE SAME TEMPERATURES OF SIXTY EIGHT DEGREES. LET'S GO OUTSIDE. AS YOU CAN SEE, OUR COLD WATHER FROZE FASTER THAN OUR HOT WATER DID.
THANK YOU. WE LOVE ST. MARY'S.
MOST RESEARCHERS NOW POINT OUT THAT THE VARYING TYPES OF WATER REALLY MAKE A DIFFERENCE, AND THE ORIGINAL EXPERIMENT PROBABLY EXPLOITED SOME OF THESE DIFFERENCES.