Download - Mystery Mixture
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What is . . .
the
MYSTERY MIXTURE?
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The Mystery Mixture• Of unknown
origin• Known to be a
safe mixture of 2 substances
• How can we find out what it is?
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ALWAYS wear Goggles!!
Our eyes sure are safe!!
I bet these goggles will really protect my
eyes from burning chemicals up here on
my forehead!!
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DON’T taste anything!!• Unless directed
by a teacher, NOTHING goes in your mouth
• On lab days – no food, drink or GUM permitted in classroom
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Smell CAREFULLY
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Let’s get started!•Obtain your materials
–Goggles for each member of your group
–Numbered tray with•2 hand lenses•2 medium, 1 small cup•2 pipettes
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Record your Observations
• On Page 7 in your ISN, record your observations of the mystery mixture– What does it look like?– Be specific– Use hand lens
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Adding Water• Add one pipette of
water to the mixture– Record detailed
observations and results on page 7
– Be sure to use ALL your senses
• Continue adding and recording until you see no more reactions
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Reflection Page 6•Summarize your observations of the mystery mixture – what happened?
•Predict the make-up of the mystery mixture