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Mathematics and Science in Schools in Sub-Saharan Africa

Mathematics and Science in Schools in Sub-Saharan Africa. MATERIAL SCIENCE. Introduction to Material Properties. What Material Scientists Do. Physical Properties. Melting & Boiling Points. Magnetism. Color. Physical Properties. Density. Lab: Density Determination.

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Mathematics and Science in Schools in Sub-Saharan Africa

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  1. Mathematics and Science in Schools in Sub-Saharan Africa

  2. MATERIAL SCIENCE Introduction to Material Properties

  3. What Material Scientists Do

  4. Physical Properties Melting & Boiling Points Magnetism Color

  5. Physical Properties Density

  6. Lab: Density Determination

  7. Lab: Density Determination Data Chart

  8. Lab: Density Determination Material Density Chart

  9. Lab: Density Determination Analysis Chart

  10. Density Density = Mass/Volume

  11. Physical Properties Viscosity Viscosity is an internal property of a fluid that offers resistance to flow .

  12. Thickness

  13. Viscosity Determination Calculations Viscosity = п = 2(Δp)ga^2/9v Δp = difference in density between glass marble and test liquid g = rate of free fall = 9.81 m/s^2 a = radius of sphere v = velocity

  14. Viscosity Testing

  15. Viscosity Testing

  16. Viscosity Units International Standards Organization Viscosity Grade Numbers ISO Society of Automotive Engineers Viscosity Grade Numbers SAE

  17. Lab: Viscosity Determination

  18. Viscosity Testing

  19. Lab: Viscosity Determination Data Chart

  20. Lab: Viscosity Determination Calculations

  21. Lab: Viscosity Explorer

  22. Lab: Viscosity Explorer Data Chart

  23. 10W-40 10W = Oil’s Viscosity at 0°F 40 = Oil’s Viscosity at 212°F

  24. Lab: Dilatant Material

  25. Dilatant Material

  26. Dilatant Material

  27. Silly Putty

  28. Automotive

  29. Thixotropic

  30. Thixotropic

  31. Construction

  32. Advanced Thixotropic Metallurgy

  33. Military

  34. Medicine

  35. Lab: Japan Sand

  36. Chemical Properties Corrosion Burning Reaction to Acids & Water

  37. Thermal Properties Conductivity

  38. Lab: Macho Conduction

  39. Lab: Macho Conduction

  40. Lab: Macho Conduction Data Chart

  41. Thermal Properties Conductivity Thermal Expansion

  42. Thermal Expansion

  43. Lab: Linear Expansion of a Metal

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