1. Silent Starter #5 – If you are absent on a lab or video day, what should you do? A. Nothing B. Ask Mrs. K to set it up again C. Make up the answers D. Complete an absent lab/video assignment

5. Emergency Exit Passes Can not use first or last 10 minutes of class Must have a pass (Green this semester) Sign name on white board Take Pass Return pass & erase name upon return

6. 8/31 Agenda Correct procedure rewards – THANK YOU!!! Benchmark Graphs – due by the end of the day TOMORROW!!! Seating Adjustments –Can you see?? Can I Chew Gum?? Procedures Metrics PPT –Length & Mass notes & activity Today I will answer……What’s the correct measurement?

7. Also known as The International System of Units or the SI System

8. Length the distance from end to end of an object basic unit = meter use rulers and meter sticks

9. Approximate Length Measurements (write 2 examples on your paper) Thickness of dime = 1 millimeter Width of a large paper clip or your fingernail = 1 centimeter Width of a doorway = 1 meter Six city blocks or 10 football fields = 1 kilometer 1 mile = 1.6 kilometers

10. What’s the length of??? 1. Unsharpened pencil: 2. Post-its (longest side): 3. Textbook (longest side):

11. #2 - Mass the amount of matter in an object basic unit = gram use triple beam balances

12. Approximate Mass Measurements (write 2 examples on your paper) a grain of salt = 1 milligram a small paper clip = 1 gram 6 apples or 2 pounds = 1 kilogram

13. What’s the mass of??? 1. Post-its: 2. Empty cup: 3. Cup + 10 pennies:

14. #6 – Which would be BEST to measure a football field? A. mass in length B. volume in mL C. length in kilometers D. temperature in grams

15. 9/1 Agenda Return Tools & Rules Quiz & NP 3 & 4 TOMORROW! –Check the “no name” bin Benchmark Graphs – due by the end of the day TODAY!!! Can I Chew Gum?? Procedures Correct HW Metrics PPT –Volume & Time notes & activity Today I will answer……What’s the correct measurement?

16. Look at your ruler ALWAYS use the cm/mm side….. Never inches!!

17. Look at your ruler 1-30 = centimeters Lines in between = millimeters

18. Look at your ruler & meterstick Count the lines between 1 & 2 1 cm = 10 mm!

19. What is the DIFFERENCE in mass from the TBB 1 & 2?

20. 354.6 g – 325 g 29.6 g

21. #3 - Volume the amount of space (capacity) an object occupies basic unit = liter, cm 3 use graduated cylinders, beakers, and rulers

22. Approximate Liter Measurements (write 2 examples on your paper) one drop = 1 milliliter 1 liter= half of a 2 liter soda bottle 500 2-liter bottles of soda = 1 kiloliter

23. A. Solid Volume basic unit = cm 3 ruler Length x width x height

24. What’s the volume?? 6 cm x 5 cm x 10 cm = 300 cm 3

25. What’s the SOLID volume of??? 1. Post-its: _______ cm 3 Length = _____ cm Width = _____ cm Height = _____ cm

26. B. Liquid Volume basic unit = liter (L) graduated cylinders read the bottom of the meniscus Intervals = 0.1, 0.2, 0.5, 1, 2, 10 mL http://www.youtube.com/watch? v=5Jbkk6ndivMhttp://www.youtube.com/watch? v=5Jbkk6ndivM

27. 23 23 WHAT? 23 mL

28. 53 53 WHAT? 53 mL

29. What’s the SOLID volume of??? 1. Post-its: _______ cm 3 Length = _____ cm Width = _____ cm Height = _____ cm

30. What’s the REGULAR volume of??? 1. Filled cup of water: _______mL

31. C. Irregular Volume basic unit = 1 mL = 1 cm 3 graduated cylinder Water displacement method Intervals = 0.1, 0.2, 1, 2 or 10 mL

32. What’s the volume of the rock??  Initial Reading = 200 mL  Final Reading = 260 mL  260 mL – 200 mL = 60 mL  60 mL = 60 cm 3

33. Water Displacement  Initial Reading of meniscus  4.8 mL  Irregular Object dropped in GC  Read “new” meniscus  5.6 mL  Subtract the “new” from initial reading  Irregular object volume = 0.8 mL  0.8 mL = 0.8 cm 3

34. What’s the REGULAR volume of???  1. Filled cup of water: _______mL

35. What’s the IRREGULAR volume of??? 1. Filled cup of water with 2 marbles: _______mL ______ mL = _______ cm 3 3

36. Time a measure of duration basic unit = seconds

37. 9/2 Agenda Correct procedure rewards – THANK YOU!!! Can I Chew Gum?? Procedures Correct HW Pass back Tools & Rules Quiz Metrics PPT –Volume activity Today I will answer……How do you measure correct measurements?

38. Time a measure of duration basic unit = seconds

39. B. Liquid Volume basic unit = liter (L) graduated cylinders read the bottom of the meniscus Intervals = 0.1, 0.2, 0.5, 1, 2, 10 mL http://www.youtube.com/watch? v=5Jbkk6ndivMhttp://www.youtube.com/watch? v=5Jbkk6ndivM

40. Intervals of 1 mL 21.5 mL

41. Intervals of 2 mL 38 mL

42. Intervals of 2 mL Initial = 50 mL Ending = 52 mL Volume of Spongebob = 2 mL = 2 cm 3

43. What’s the SOLID volume of??? 1. Post-its: _______ cm 3 Length = _____ cm Width = _____ cm Height = _____ cm

44. What’s the REGULAR volume of??? 1. Filled cup of water: _______mL

45. What’s the IRREGULAR volume of??? 1. Filled cup of water with 2 marbles: _______mL ______ mL = _______ cm 3 3

46. Prove it!! Name one concept you learned today Your statement MUST start with one “sentence starter” from the back wall