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Water is a polar molecule, meaning that there is an uneven distribution of charge Water has a slight negative charge near the oxygen and slight positive.

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Presentation on theme: "Water is a polar molecule, meaning that there is an uneven distribution of charge Water has a slight negative charge near the oxygen and slight positive."— Presentation transcript:

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2 Water is a polar molecule, meaning that there is an uneven distribution of charge Water has a slight negative charge near the oxygen and slight positive charge near the hydrogen atoms. Water is Polar

3 Water forms hydrogen bonds Because they are polar, water molecules are attracted to each other. The negative oxygen is attracted to the positive hydrogen Many of waters special properties come from its ability to form hydrogen bonds

4 Cohesion is an attraction between molecules of the same substance. Adhesion is an attraction between molecules of different substances. Adhesion & Cohesion

5 Surface Tension Cohesion can cause surface tension. Since the water doesnt have to bond with anything above it those bonds are stronger and the water skeeter can walk on it

6 Capillary Action Adhesion can causes capillary action Water can get pulled up small tubes, like the veins of plants

7 Water expands as it freezes Ice is less dense Hydrogen bonds push water molecules further apart from each other Ice floats on water Protects organisms underneath Acts like insulation

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9 The Universal Solvent Water can disassemble and rearrange other molecules

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12 High Heat Capacity Water can absorb & release large amounts of energy without changing temperature Keeps cells at even temperatures Stabilizes global temperature Evaporative cooling Specific heat

13 This is my doggi e Otis

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