lesson plan 4

lesson plan 4 - HEAT AND INSULATION February 22, 2010...

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HEAT AND INSULATION February 22, 2010 Introduction The purpose of insulating materials is to impede the flow of heat from inside a container (a bottle, a Thermos jug, or a house) to the outside; or to impede the flow of heat into a container from outside (e.g., a Thermos jug filled with cold lemonade on a hot Summer day). In this experiment, we explore the effect of various insulating materials on the heat loss from a bottle filled with warn water. Equipment needed two 2-liter soda bottles with caps two thermometers or temperature probe 10 in. x15 in. blanket material and other flexible material (sheets of paper, cloth, aluminum foil, etc.) tape to fasten the insulating material to the bottle Procedure Make holes in bottle caps to run the temperature sensors through; fill both bottles with very warm water to the same height (use about 1.5 liters in each); screw on caps with sensors through them. Wrap one bottle with one of the insulating materials and hold in place with tape.
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lesson plan 4 - HEAT AND INSULATION February 22, 2010...

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