Catalyst – August (2+3)5, 2010
1.
2.
3.
What are the 2 characteristics of a good
hypothesis? (Friday’s notes)
What word should you use when writing a
hypothesis to show that you have a reason
for your guess?
CHALLENGE SAT QUESTION!!!! (Try it!)
CAUSE is to EFFECT as INDEPENDENT
VARIABLE is to _____________________?
Today’s Agenda
Catalyst
 Safety Breakdown (20 min)
 Finish Procedure for Mystery Goo (15 min)
 Make Yo Mystery Goo! (20 min)
 Quiz Review!
 Exit Question
QUIZ TOMORROW!

Today’s Objectives
SWBAT write a quality
procedure.
 SWBAT make Mystery Goo!
 SWBAT get ready to DOMINATE
Quiz 1.1!
QUIZ 1.1 TOMORROW!

Quiz 0 Domination…Class Averages
rd
3
Period: 89.0
th
4 Period: 90.4
Quiz 0 Domination…As and Bs
3rd Period
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Kara Rayes (100!)
Jasmine Heerasingh
(100!)
Kendell Crier (100!)
Melvin Coleman
Ebony Lee
Warren Mack
Bao Nguyen
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Sara Vecino (100!)
Tashelle Irons
Quanetta Francois
Paula Blount
Chicobi Frazier
Ariel Aragon
Shawn Torrence
Quiz 0 Domination…As and Bs
4th Period
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Jonathan Nelson (100!)
Caleb Belile (100!)
Aaron Victor
Jaron Johnson
Daniel Williams
Shannon Torrence
Artrel Dabney
Roniece Wright
Lizzeh Fetty
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Rachel Wenger
Josh’shawn Johnson
Khallid Mubarak-assad
Kim Du
Rodrea Mackey
Brittany Andry
Eddie Hayes
Infinity Pierce
Lyndon Hawkins
Stephanie Canda
Chemistry Lab Drawer
Chemistry Lab Drawer
Beakers
Chemistry Lab Drawer
Beaker Tongs
Chemistry Lab Drawer
Graduated Cylinder
Chemistry Lab Drawer
Erlenmeyer Flask
Chemistry Lab Drawer
Flask Tongs
Chemistry Lab Drawer
Glass Funnel
Chemistry Lab Drawer
Micro Spatula and Scoop Spatula
Chemistry Lab Drawer
Stirring Rods
Chemistry Lab Drawer
Hand Test Tube Holder
Chemistry Lab Drawer
Test Tube Rack and Small Test Tubes
Chemistry Lab Drawer
Standard Test Tubes
Chemistry Lab Drawer
Test tube brushes
Chemistry Lab Table
Bunsen Burner
Chemistry Lab Table
Ring Stand and Clamps
Chemistry Lab Table
Wire Gauze with Ceramic Center
Chemistry Lab Drawer
Triple-Beam Balance
Chemistry Lab Drawer
Analytical Balances
Chemistry Lab Drawer
Mortar and Pestle
Chemistry Lab Drawer
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Droppers
Chemistry Lab Drawer
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Pipets and Pipet bulb
Chemistry Lab Drawer
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Thermometers
Chemistry Lab Drawer
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Wash bottle
Safety Equipment
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Goggles
Safety Equipment
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Apron
Safety Equipment
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Gloves
Safety Equipment
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Fire extinguisher
Safety Equipment
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Safety blanket
Safety Equipment
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Eye wash
Safety Equipment
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Safety shower
What could happen if we don’t
follow safety guidelines?
Wear your safety goggles!
Chemical burn….
Frayed cord?
Unattended fire?
Safety
Contract
Lab Safety
Cartoon….
and a
Surprise!
QUIZ
REVIEW!
Question/Hypothesis

Look at the graph/diagram and
figure out what question the scientist
might have been asking…
Making a good hypothesis…

Annie notices that more people visit the sno-ball
stand during the summer than the winter. Write a
testable, educated hypothesis to answer the
following question: Why do more people go to the
sno-ball stand in the summer than in the winter?
Don’t forget to use the word
“because”
IV, DV, and Constants

Dr. Brown wants to see if a medicine she
invented will improve her patients’
health. So she gives 100 patients her
new medicine, and records how long it
takes for them to become healthy.
IV, DV, and Constants

Gavin thinks that water will evaporate
faster in a warm place than a cool one.
He puts out two identical bowls of water,
one in a warm place and one in a cool
place. Then, he times how long it takes
the water to evaporate.
How to plan a procedure….
Key Point #3: Characteristics of a
quality procedure…
1. Materials (including safety
equipment)
2. Step-by-step instructions
3. Each step is numbered
4. Specific and clear
QUIZ
TIME!
=DOMINATION TIME