Transcript
January 5 Warm-Up
Use your periodic table to determine the answers to the following
1.What you do to a wrinkled shirt
2.Las Vegas Lights
Jan. 5 1. Name of
element,
element
symbol
What is . . .the
MYSTERY MIXTURE?
The Mystery Mixture
•Of unknown origin
•Known to be a safe mixture of 2 substances
•How can we find out what it is?
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!!
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
Smell CAREFULLY
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
Record your Observations
•On Page 3 in your ISN, record your observations of the mystery mixture–What does it look like?–Be specific–Use hand lens
Adding Water• Add one pipette of
water to the mixture– Record detailed
observations and results on page 3
– Be sure to use ALL your senses
• Continue adding and recording until you see no more reactions
Reflection Page 2
•Summarize your observations of the mystery mixture – what happened?
•Predict the make-up of the mystery mixture
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