1. Measurement Review

2. All investigations require some type of measurement.

3. Measurement Review All investigations require some type of measurement. What are some examples?

4. Measurement Review All investigations require some type of measurement. What are some examples?

5. Measurement Review All measurements can be divided into two types:  Qualitative

6. Measurement Review All measurements can be divided into two types:  Qualitative- this is an approximate measure. An example would be it is REALLY heavy

7. Measurement Review All measurements can be divided into two types:  Qualitative- this is an approximate measure. An example would be it is REALLY heavy  Quantitative- states a specific quantity or amount. For example, it has a mass of 15.90 kilograms

8. Measurement Review What is the big deal with the metric system?

9. Measurement Review What is the big deal with the metric system? Why is it better than the English system?

10. Measurement Review What is the big deal with the metric system? Why is it better than the English system? Convenience and Adaptability

11. Measurement Review Convert 5 miles to inches

12. Measurement Review Convert 5 miles to inches 5 miles X 5,280 feet X 12 inches =316800

13. Measurement Review Convert 5 miles to inches 5 miles X 5,280 feet X 12 inches =316800 Convert 5 kilometers to millimeters

14. Measurement Review Convert 5 miles to inches 5 miles X 5,280 feet/miles X 12 inches/foot =316800 inches Convert 5 kilometers to millimeters 5 kilograms = 5,000,000 millimeters

15. Measurement Review What do you do if you require a measurement that is less than 1 inch? 1 once?

16. Measurement Review What do you do if you require a measurement that is less than 1 inch? 1 once? Fractions

17. Measurement Review

18. In the metric system, all base quantities use the same prefixes to denote magnitude. Base Units: Grams-mass

19. Measurement Review In the metric system, all base quantities use the same prefixes to denote magnitude. Base Units: Grams-mass Meters-length

20. Measurement Review In the metric system, all base quantities use the same prefixes to denote magnitude. Base Units: Grams-mass Meters-length Liters-volume

21. Measurement Review Metric Prefixes Kilo hecto deka I deci centi milli Meter Liter Gram

22. Measurement Review What about units smaller than a milli and larger than a kilo?

23. Measurement Review GigaNano

24. Tools There are many instruments which aid in scientific investigation. 1)The microscope

25. Tools There are many instruments which aid in scientific investigation. 1)The microscope allows images to be magnified. There are two main types:  The Light Microscope

26. Tools There are many instruments which aid in scientific investigation. 1)The microscope allows images to be magnified. There are two main types:  The Light Microscope  The Electron Microscope

27. Tools Light MicroscopeImage

28. Tools Light Microscope typically measures at the level of a micrometer Can be used to observe living organisms Uses light for illumination

29. Tools Electron MicroscopeImage

30. Tools Electron Microscope measures at the level of the nanometer Only dead organism can be viewed Uses electrons for illumination

31. Tools Centrifuge is used to separate parts of a cell in a technique known as cell fractionation.

32. Tools Centrifuge is used to separate parts of a cell in a technique known as cell fractionation. 1) Cells are broken up by a blender

33. Tools Centrifuge is used to separate parts of a cell in a technique known as cell fractionation. 1) Cells are broken up by a blender 2) Spun at 20,000 times per minute causing organelles to separate based on density and size.

34. Tools

36. BlenderUltracentrifuge

37. Tools Cell Culture is a technique where single cells isolated from an organ can be grown and studied.

38. Tools Cell Culture LabCell Culture Flask

39. Review 1. Why is the metric system so useful to scientists?

40. Review 1. Why is the metric system so useful to scientists? 2. What type of microscope uses micrometers for measurement?

41. Review 1. Why is the metric system so useful to scientists? 2. What type of microscope uses micrometers for measurement? 3. What is cell fractionation?