1. Catalyst – August (2+3)5, 2010 1. 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 _____________________?

2. 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!

3. Today’s Objectives  SWBAT write a quality procedure.  SWBAT make Mystery Goo!  SWBAT get ready to DOMINATE Quiz 1.1! QUIZ 1.1 TOMORROW!

4. Quiz 0 Domination…Class Averages 3 rd Period: 89.0 4 th Period: 90.4

5. Quiz 0 Domination…As and Bs 3 rd 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

6. Quiz 0 Domination…As and Bs 4 th 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

7. Chemistry Lab Drawer

8. Beakers

9. Chemistry Lab Drawer Beaker Tongs

10. Chemistry Lab Drawer Graduated Cylinder

11. Chemistry Lab Drawer Erlenmeyer Flask

12. Chemistry Lab Drawer Flask Tongs

13. Chemistry Lab Drawer Glass Funnel

14. Chemistry Lab Drawer Micro Spatula and Scoop Spatula

15. Chemistry Lab Drawer Stirring Rods

16. Chemistry Lab Drawer Hand Test Tube Holder

17. Chemistry Lab Drawer Test Tube Rack and Small Test Tubes

18. Chemistry Lab Drawer Standard Test Tubes

19. Chemistry Lab Drawer Test tube brushes

20. Chemistry Lab Table Bunsen Burner

21. Chemistry Lab Table Ring Stand and Clamps

22. Chemistry Lab Table Wire Gauze with Ceramic Center

23. Chemistry Lab Drawer Triple-Beam Balance

24. Chemistry Lab Drawer Analytical Balances

25. Chemistry Lab Drawer Mortar and Pestle

26. Chemistry Lab Drawer  Droppers

27. Chemistry Lab Drawer  Pipets and Pipet bulb

28. Chemistry Lab Drawer  Thermometers

29. Chemistry Lab Drawer  Wash bottle

30. Safety Equipment  Goggles

31. Safety Equipment  Apron

32. Safety Equipment  Gloves

33. Safety Equipment  Fire extinguisher

34. Safety Equipment  Safety blanket

35. Safety Equipment  Eye wash

36. Safety Equipment  Safety shower

37. What could happen if we don’t follow safety guidelines?

38. Wear your safety goggles!

39. Chemical burn….

40. Frayed cord? Unattended fire?

41. Safety Contract

42. Lab Safety Cartoon…. and a Surprise!

43. QUIZ REVIEW!

44. Question/Hypothesis  Look at the graph/diagram and figure out what question the scientist might have been asking…

47. 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”

48. 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.

49. 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.

50. 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

51. QUIZ TIME! =DOMINATION TIME