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 _____________________?

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

3rd Period: 89.04th Period: 90.4

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

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

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

Droppers

Chemistry Lab Drawer

Pipets and Pipet bulb

Chemistry Lab Drawer

Thermometers

Chemistry Lab Drawer

Wash bottle

Safety Equipment

Goggles

Safety Equipment

Apron

Safety Equipment

Gloves

Safety Equipment

Fire extinguisher

Safety Equipment

Safety blanket

Safety Equipment

Eye wash

Safety Equipment

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!

QUIZREVIEW!

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 instructions3. Each step is numbered4. Specific and clear

QUIZTIME!

=DOMINATION TIME