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Water’s Physical Properties

Water’s Physical Properties. Marine Studies. Cohesion. What is Cohesion? Individual water molecules stick together Cohesion creates a high surface tension Hydrogen bonds allow cohesion Water has cohesion Alcohol does not have cohesion. Adhesion.

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Water’s Physical Properties

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  1. Water’s Physical Properties Marine Studies

  2. Cohesion • What is Cohesion? • Individual water molecules stick together • Cohesion creates a high surface tension • Hydrogen bonds allow cohesion • Water has cohesion • Alcohol does not have cohesion

  3. Adhesion • Adhesion is when water sticks to other surfaces • Water sticks to the glass plate • Alcohol does not stick

  4. Diffusion Diffusion is the process by which a substance moves from an area of high concentration to low concentration until its at equilibrium. Warm water diffuses substances faster than cold water

  5. Density • Density is Mass divided by Volume • Mass/Volume • Ice is less dense than water • Ice is more dense than alcohol • Alcohol < Ice < water • Oil < Water

  6. Polarity • Polar molecules have a slight charge at one end • Oil and Water don’t mix, because Water is Polar and oil is not

  7. Light Refraction • Light refraction is the bending of light waves. • Water refracts light and makes objects look bent, closer or bigger • Water also bends sunlight as it enters the ocean. • Certain wavelengths can penetrate deeper than others. • Blue wavelength penetrate furthest

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