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Water Systems

Water Systems. So what do people do with water?. Did you know that Canada is one of the highest water users per capita in the world? Toilets use over 40% more water than needed. Many homes lose more water from leaky taps than they need for cooking and drinking.

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Water Systems

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  1. Water Systems

  2. So what do people do with water? • Did you know that Canada is one of the highest water users per capita in the world? • Toilets use over 40% more water than needed. • Many homes lose more water from leaky taps than they need for cooking and drinking. • One litre of oil can contaminate up to 2 million litres of water.

  3. Water Systems Classifications • All of the various water systems can be classified into two types of water: Salt water Fresh water

  4. The Hydrologic Cycle - Water Cycle • The water we use today has been around for hundreds of millions of years. • The amount of water hasn’t changed very much. • Water moves around and changes form, taken by plants and animals, however, it never really disappears. • It travels in a large continuous cycle.

  5. Water never leaves the Earth. It is constantly being cycled through the atmosphere, ocean, and land. This process, known as the water cycle, is driven by energy from the sun. The water cycle is crucial to the existence of life on our planet.

  6. Terms • Accumulation - the process in which water pools in large bodies (like oceans, seas and lakes). • Surface runoff - the flowing of water over the land from higher to lower ground. • Sublimation - the changing of water from a solid to a gas. • Transpiration - the process by which moisture is carried through plants from roots to leaves, where it changes to vapour and is released to the atmosphere. • Groundwater - the water which is stored in underground spaces known as aquifers.

  7. Terms continued Condensation – when warm air collides with cold air and droplets form. Precipitation – droplets that after being condensed begin to fall to the earth in the form of rain, sleet, hail, glaze, or snow. Erosion – the movement of soil by wind or water. Melting – when a solid changes into a liquid. Percolation – the movement of water through the soil. Evaporation – the process of liquid water becoming vapour.

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