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Supercooling water and snap freezing

Can water remain liquid below its normal freezing point? If it does, that water is supercool(-ed). This project shows you a method for supercooling water.

Rating:

http://www.sciencebuddies.org/science-fair-projects/project_ideas/Phys_p033.shtml

Heavy Water Production

Information on heavy water, used for nuclear weapons. Heavy water, or D2O, is water in which both hydrogen atoms have been replaced with deuterium, the isotope of hydrogen containing one proton and ...

Rating:

http://www.fas.org/nuke/intro/nuke/heavy.htm

Hot Water Freezing?

A brief discussion (with a slightly disbelieving tone) of why hot water freezes faster than cold water. Links to a related section on the Mpemba Effect.

Rating:

http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/freezhot.html#c1

Water Tower

Applet showing water flow from a hose as height changes. The amount of water in the tower can be varied.

Rating:

http://www.mste.uiuc.edu/users/Murphy/WaterTower/default.html

Water Pressure

An applet showing how water flow is affected by pressure and how water towers work.

Rating:

http://www.mste.uiuc.edu/users/Murphy/PicnicCooler/default.html

Boil water with shockwave

With an animation you can alter the amount of water and starting temperature to estimate how long water will take to boil. The animation will run and your estimate of time evaluated.

Rating:

http://ippex.pppl.gov/interactive/energy/boilwater.html