1. SYSTEMTIC APPROACH TO TEACTHING AND LEARNING WATER Prof. Dr. Ameen Farouk M. Fahmy Chemistry Dept., Faculty of Science, Ain Shams University 1 st PS-SATLC 17-27 Nov.[2008] Karachi-Pakistan

2. (I)Formation of water Molecules by covalent Bonding (I)Formation of water Molecules by covalent Bonding ( V)Abnormality In physical properties ( V)Abnormality In physical properties (III) Polar Solvent (III) Polar Solvent (IV) Hydrogen bonding (II) Polarity of water molecules (VI) State of water (VI) State of water (VII) Water Pollution (VII) Water Pollution ( VII) Water Cycle in nature ( VII) Water Cycle in nature Water A H B (?) C D E G F Fig (1): Separate Physical Relations

3. We can change Fig (1) to A systemic diagram as illustrated in (SDO) VII Water Cycle in nature VII Water Cycle in nature (I ) Formation of water molecules by covalent bonding (V) Abnormal iy In physical properties (V) Abnormal iy In physical properties (III ) Polar solvent (IV) Hydrogen bond (II) Polarity of water molecule (VI) State of water (VI) State of water (VIII) Water Pollution (VIII) Water Pollution Water A H B (?) C D E G F (1)(3) (4) (2) (8)(5) (6) (7) (?) SDO

4. Systemic Diagram (SDO) represents systemic unknown Relations between physical properties of water By studying the relations (1 2), and (A c) We can change (SDO) to (SD1) by adding these relations By studying the relations (1 2), and (A c) We can change (SDO) to (SD1) by adding these relations

5. (I) Formation of water molecules by covalent bonding (I) Formation of water molecules by covalent bonding (V) Abnormality In physical properties (V) Abnormality In physical properties (III) Polar solvent (IV) Hydrogen bonding (II) Polarity of water molecule (VI) State of water (VI) State of water (VIII ) Water Pollution (VIII ) Water Pollution (VII) Water Cycle in nature (VII) Water Cycle in nature Water (A) (H) (B) √) ) (C) (√) ?)) (√)) (D)_ (E) (G) (F) () (F (1)(3) (4) (2) (8)(5) (6) (7) (?) (√) (?) SD1

6. Systemic Diagram (SD1) with known relations (1, 2, and a – C) and the rest of the relations are unknowns By studying the relations (3 4), and (G H) We can change (SD1) to (SD2) by adding the new relations By studying the relations (3 4), and (G H) We can change (SD1) to (SD2) by adding the new relations

7. ( I)Formation of water molecules by covalent bonding ( I)Formation of water molecules by covalent bonding (V) Abnormality In physical properties (V) Abnormality In physical properties ( III) Polar solvent (IV) Hydrogen bonding (II) Polarity of water molecule (VI) State of water (VI) State of water (VIII ) Water Pollution (VIII ) Water Pollution (VII) Water Cycle in nature (VII) Water Cycle in nature Water (A) (H)(H) (B) √) ) (C) (√) (√) ) (D)_ (E) (√ ) (F) () (F (1)(3) (4) (2) (8)(5) (6) (7) √) ) (√) (G) (?) ?) (?) SD2

8. Systemic Diagram (SD2) with known Relations (1 – 4, A – C, and G H), the rest of the Relations are unknown By studying the relations (5 –8), and (D-F) we can change (SD2) to (SDf) in which all the relations are known

9. (I) Formation of water molecules by covalent bonding (I) Formation of water molecules by covalent bonding (V)Abnormality In physical properties (V)Abnormality In physical properties (III) Polar solvent (IV) Hydrogen bonding (II) Polarity of water molecule (VI) State of water (VI) State of water (VIII ) Water Pollution (VIII ) Water Pollution (VII) Water Cycle in nature (VII) Water Cycle in nature Water (A) (H) (B) √) ) (C) (√) (√) ) (D)_ (E) (√ ) (F) () (F (1)(3) (4) (2) (8) (5) (6) (7) √) ) (√) (G) (√)(√) (√)(√) (√ ) (√)(√) (√)(√)(√)(√) (√)(√) SDF Systemic Diagram (SF) in which all the relations (1-8), and (A H) are known