catalyst – august (2+3)5, 2010 1. what are the 2 characteristics of a good hypothesis? (friday’s...
TRANSCRIPT
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Catalyst – August (2+3)5, 20101. What are the 2 characteristics of a good
hypothesis? (Friday’s notes)2. What word should you use when writing
a hypothesis to show that you have a reason for your guess?
3. CHALLENGE SAT QUESTION!!!! (Try it!)CAUSE is to EFFECT as INDEPENDENT VARIABLE is to _____________________?
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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!
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Today’s Objectives
SWBAT write a quality procedure.
SWBAT make Mystery Goo!SWBAT get ready to DOMINATE Quiz 1.1!QUIZ 1.1 TOMORROW!
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Quiz 0 Domination…Class Averages
3rd Period: 89.04th Period: 90.4
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Quiz 0 Domination…As and Bs3rd Period Kara Rayes (100!) Jasmine
Heerasingh (100!) Kendell Crier
(100!) Melvin Coleman Ebony Lee Warren Mack Bao Nguyen
Sara Vecino (100!) Tashelle Irons Quanetta Francois Paula Blount Chicobi Frazier Ariel Aragon Shawn Torrence
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Quiz 0 Domination…As and Bs4th Period Jonathan Nelson
(100!) Caleb Belile (100!) Aaron Victor Jaron Johnson Daniel Williams Shannon Torrence Artrel Dabney Roniece Wright Lizzeh Fetty
Rachel Wenger Josh’shawn Johnson Khallid Mubarak-
assad Kim Du Rodrea Mackey Brittany Andry Eddie Hayes Infinity Pierce Lyndon Hawkins Stephanie Canda
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Chemistry Lab Drawer
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Chemistry Lab Drawer
Beakers
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Chemistry Lab Drawer
Beaker Tongs
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Chemistry Lab Drawer
Graduated Cylinder
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Chemistry Lab Drawer
Erlenmeyer Flask
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Chemistry Lab Drawer
Flask Tongs
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Chemistry Lab Drawer
Glass Funnel
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Chemistry Lab Drawer
Micro Spatula and Scoop Spatula
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Chemistry Lab Drawer
Stirring Rods
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Chemistry Lab Drawer
Hand Test Tube Holder
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Chemistry Lab Drawer
Test Tube Rack and Small Test Tubes
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Chemistry Lab Drawer
Standard Test Tubes
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Chemistry Lab Drawer
Test tube brushes
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Chemistry Lab Table
Bunsen Burner
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Chemistry Lab Table
Ring Stand and Clamps
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Chemistry Lab Table
Wire Gauze with Ceramic Center
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Chemistry Lab Drawer
Triple-Beam Balance
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Chemistry Lab Drawer
Analytical Balances
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Chemistry Lab Drawer
Mortar and Pestle
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Chemistry Lab Drawer
Droppers
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Chemistry Lab Drawer
Pipets and Pipet bulb
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Chemistry Lab Drawer
Thermometers
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Chemistry Lab Drawer
Wash bottle
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Safety Equipment
Goggles
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Safety Equipment
Apron
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Safety Equipment
Gloves
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Safety Equipment
Fire extinguisher
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Safety Equipment
Safety blanket
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Safety Equipment
Eye wash
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Safety Equipment
Safety shower
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What could happen if we don’t follow safety guidelines?
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Wear your safety goggles!
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Chemical burn….
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Frayed cord?Unattended fire?
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Safety Contract
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Lab Safety Cartoon….and a Surprise!
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QUIZREVIEW!
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Question/Hypothesis
Look at the graph/diagram and figure out what question the scientist might have been asking…
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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”
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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.
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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.
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How to plan a procedure….
Key Point #3: Characteristics of a quality procedure…
1. Materials (including safety equipment)
2. Step-by-step instructions3. Each step is numbered4. Specific and clear
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QUIZTIME!
=DOMINATION TIME