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