Friday, August 6, 2010

How can i control water temperature?

for my science fair project i have to be able to control water temperature( increase and decrease it). what is a simple and inexpensive tool i could use?How can i control water temperature?
salt and ice...in chemistry class once we added ice to water and let it get as cold as it was going to get with a steady temp..and if i remember correctly adding salt took the temperature down...try looking that up on the internet

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