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What is water?
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What am I? Destroys most viruses and bacteria
UV water treatment
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Depth at which loose rock and soil are saturated with water
Water Table
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Large area of ice that permanently covers land
Ice Cap
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Is water a solvent or solute? Does water have a weak or strong ability to dissolve substances?
Solvent, Strong
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Water that flows over Earth's surface (from precipitation/snowmelt)
Runoff
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Describe pure water is 4 ways. What particles is it composed of?
Clear, colourless, no taste or odour. 2 Hydrogens 1 Oxygen
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Water that seeps through soil and cracks in rock. Source of water for underground springs and wells
Ground Water
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Step 2 of water treatment
Addition of chemicals, Alum+water=floc
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A continuous movement of water above, on, below the Earth's Surface. Driven by
Water Cycle, Sun
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Sublimation changing from? Heat? Example?
Solid to gas, heat in, tree car freshner
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Deposition changing from? Heat? Example?
gas to solid, heat leaves
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Step 5 of water treatment
Disinfection
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What am I? Mechanical pressure forces water through a membrane (filter)
Reverse Osmosis
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Step 4 of water treatment
Filtration, sand and charcoal filter
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a layer of underground rock that is completely saturated with water is
Aquifer
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The gas state of water is known as?
Water vapour
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Frozen field of ice covering North or South field
Polar Ice Sheet
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Step 3 of water treatment
Sedimentation
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Evaporation changing from? Heat? Example?
Liquid to Gas, heat absorbed
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Step 6 of water treatment
Storage
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The sticky clumps of small particles that form when alum is added to water are called
Floc
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Which 3 phase changes involve the loss of thermal energy?
Condensation, freezing, deposition
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What percent is fresh water on earth?
3%
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Explain the behaviour of the gaseous state of water
Particles very far apart, Particles can more VERY freely, Lots of energy
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Condensation changing from? Heat? Example?
Gas to liquid, heat leaves
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