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Mathematics and Science in Schools in Sub-Saharan Africa

Mathematics and Science in Schools in Sub-Saharan Africa. MATERIAL SCIENCE. BONDING. Intramolecular Bonding. Lab: Observing Chemical Bonding. Lab: Observing Chemical Bonding. Data Chart. Metallic Bonds. Sea of Electrons. Metallic Bonds. Sea of Electrons. Metallic Bonds.

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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 BONDING

  3. Intramolecular Bonding

  4. Lab: Observing Chemical Bonding

  5. Lab: Observing Chemical Bonding Data Chart

  6. Metallic Bonds Sea of Electrons

  7. Metallic Bonds Sea of Electrons

  8. Metallic Bonds Sea of Electrons

  9. Ionic Bonds

  10. Ionic Bonds

  11. What’s an ion? Coil of Wire Battery _ + _ + Compass

  12. Coil of Wire Battery _ + _ + Compass Sodium Chloride

  13. Switch is open Coil of Wire Battery _ + _ + Compass Sodium Chloride

  14. The sodium atoms go to the negative side. The chlorine atoms go to the positive side Coil of Wire battery _ + _ + Compass Sodium Chloride

  15. IONS From the Greek word meaning wanderer. Coil of Wire battery _ + _ + Compass + + + + Sodium Chloride

  16. The positive side of the battery is call the anode. The ions that go towards it are called anions. battery _ + _ + Compass ANODE + + Anions + + Sodium Chloride

  17. The negative side of the battery is call the cathode. The ions that go towards it are called cations. battery _ + _ + Compass CATHODE ANODE + + Cations Anions + + Sodium Chloride

  18. Teacher Demonstration The Electric Pickle

  19. Covalent Bonds

  20. Covalent Bonds

  21. Covalent Bonds

  22. Double Covalent Bonds Triple Covalent Bonds

  23. Covalent bonds are the strongest bonds. COVALENT OTHER BONDING

  24. Double Bonding Silicon

  25. Polar & Non-PolarCovalent Bonds

  26. Who Am I? Nonpolar Covalent Bonding Ionic Bonding

  27. Flexibility Ionic Bonding Metallic Bonding

  28. Conductivity

  29. Plastic As Strong As Steel!

  30. Intermolecular Bonding

  31. Graphite vs. Diamond Covalent Bonds Van der Waals Forces

  32. Hydrogen Bonding

  33. Hydrogen Bonding

  34. Surface Tension

  35. Lab: Hydrogen Bonding

  36. Lab: Hydrogen Bonding Procedure 1:

  37. Lab: Hydrogen Bonding Procedure 2:

  38. Lab: Hydrogen Bonding Procedure 3:

  39. Lab: Hydrogen Bonding Procedure 4:

  40. Cohesion of Water

  41. Adhesion

  42. Capillary Action

  43. Capillary Action Calculation

  44. Cohesion Adhesion

  45. Lab: Adhesion & Cohesion

  46. Lab: Adhesion & Cohesion Data Chart

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