2. Metric Conversions

3. What distinguishes a number from a measurement? MEASUREMENTS have a UNIT!

4. 2,500,000 g 0.000001 sec 0.00000023 g 33,000 L 52,900 M 0.0000000007 M

5. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one anD two step conversions

6. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes One larger thing equals many smaller things

7. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes centi (c) 1 g = 100 cg – 1 dollar = 100 cents – 1 meter = 100 cm – 1 liter – 100cl

8. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes kilo (k) 1 kg = 1,000 g – 1km = 1000 m – 1kL = 1000 L

9. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes Mega (M) 1 Mg = 1,000,000 g – 1Mm = 1,000, 000 m – 1ML = 1,000, 000 L

10. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes deci (d) 1 g = 10 dg

11. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes milli (m) 1 g = 1,000 mg

12. This lesson… Define the metric prefixes Mega, Kilo, deci, centi, milli, and micro Use conversion factors to perform one an two step conversions Metric prefixes micro (  ) 1 g = 1,000,000  g

14. Prefix Questions 1.How many meters in 1 Km? 2.How many kilometers in 1 meter?

15. Which is larger? 3.milliliter or centiliter 4.kilogram or megagram 5.millimeter or kilometer

16. Convert to solve 6.a penny = 1 _______________dollar 7.a dime = 1 _______________dollar 8.a megabuck = _______________dollars 9.a kilopenny = _______________ dollars

17. Prefix Questions 1.How many meters in 1 Km? 1000 m 2.How many kilometers in 1 meter? 0.001 km

18. Which is larger? 3.milliliter or centiliter centiliter 4.kilogram or megagram 5.millimeter or kilometer

19. Which is larger? 3.milliliter or centiliter centiliter 4.kilogram or megagram megagram 5.millimeter or kilometer kilometer

20. Convert to solve 6.a penny = 1 centidollar 7.a dime = 1 deci dollar 8.a megabuck = 1 million dollars 9.a kilopenny = 10 dollars

21. Prefix and Base Unit Questions 1.What would be the most appropriate unit to measure the distance from here in Orlando to grandmas house in Georgia? 2.What would be the most appropriate unit to measure the mass of a teaspoon of water? 3.What would be the most appropriate unit to measure the volume of air in a birthday balloon?

22. Prefix and Base Unit Questions 4.What would be the most appropriate unit to measure the mass of a single atom? 5.What would be the most appropriate unit to measure the amount of time for light to reach Earth from the nearest star?

23. Prefix and Base Unit Questions 1.What would be the most appropriate unit to measure the distance from here in Orlando to grandmas house in Georgia? (kilometer or Megameter) [1500 km]

24. Prefix and Base Unit Questions 2.What would be the most appropriate unit to measure the mass of a teaspoon of water? (if looked in notes you would have remembered that an average paper clip has a mass of 1 gram)

25. Prefix and Base Unit Questions 3.What would be the most appropriate unit to measure the volume of air in a birthday balloon? (deciliter or liter)

26. Prefix and Base Unit Questions 4.What would be the most appropriate unit to measure the mass of a single atom? (microgram) atomic mass unit

27. Prefix and Base Unit Questions 5.What would be the most appropriate unit to measure the amount of time for light to reach Earth from the nearest star? (mega second) [4.47 LY or 133.5Ms]

28. Conversions Factor-label method Dimensional analysis Conversion-factor method

29. FOLLOW THE METHOD

30. To convert from 1 unit to another: Start every question with a “?” The “?” represents “How many?”

31. Conversions Convert 152 cm to m becomes ? m = 152 cm

32. LEARN THE METHOD

33. Conversion Factor A statement of fact expressed as a fraction equaling one

34. Conversion Factor Fact: 1 m = 100 cm 1 m100 cm 100 cm 1 m =

35. Which conversion to use? ? m = 152 cm x ___ m cm

36. Which conversion to use? ? m = 152 cm x 1 m 100 cm

37. Which conversion to use? ? m = 152 cm x 1 m 100 cm = 1.52 m

38. Conversions Convert kg to grams

39. Conversions 1.Question mark format 2.Cancel units 3.Insert fact 4.Do the math

40. Follow the method Convert 62 kg to grams 62kg x 1000 g 1kg

41. Follow the method Convert 1700 μs to ds 1700 μs x 1s x 10 ds 1,000,000 μs 1s

42. Follow the method 0.056 mm = ______ km 0.056 mm x 1m x 1 km 1000 mm 1000m

43. Follow the method Convert 62 kg to grams 62,000 g Convert 1700 μs to ds 0.017 ds 0.056 mm = ______ km 5.6 x 10 -8 km

44. Problem Set # 1 1.59 dg to g 2.9.8 cm to  m 3.60 L to mL 4.1.4 x 10 -7 m to Km 5.4500 Ks to Ms

45. FOLLOW THE METHOD

46. Problem Set # 1 1.59 dg to g ? g = 59 dg x 1 g 10 dg = 5.9 g

47. Problem Set # 1 2.?  m = 9.8 cm 9.8 cm x 1 m x 1,000,000  m 100 cm 1 m 9.8 cm = 98,000  m 9.8 x 10 4  m

48. Problem Set # 1 3.? mL = 60 L x 1000 ml 1 L 60 L = 60,000 ml or 6 x 10 4 ml

49. Problem Set # 1 4.? Km = 1.4 x 10 -7 m x 1 Km 1000 m = 1.4 x 10 -10 Km

50. Problem Set # 1 5.? Ms = 4500 Ks x 1000 s x 1 Ms 1 Ks 1,000,000 s 4500 Ks = 4.5 Ms

51. A little harder How many yards are in 91.44 Km? Fact 2.54 cm = 1 inch FOLLOW THE METHOD

52. FOLLOW THE METHOD

53. Assignment Complete and bring your notes to class. Be ready to do conversions with metric units. Read 25-35 Prepare yourself for a quick Chemistry quiz covering this podcast 1 st thing in class tomorrow