Diffusion lab write-up

Diffusion lab write-up - steps with both the hot water and...

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Bradley White Mrs. Brennan AP Biology 2 December 2009 Title: Diffusion up a Sponge Purpose: To discover properties of diffusion by discovering how much water diffuses up the sponge over certain periods of time. Materials: Three dry sponges Three bowls of water: one hot water, one cool water, one room temperature Stop watch Ruler Procedure: First, make marks on the sponges of one half inch and every inch after that point. Next dip the half inch in the cool water and begin the stop watch. Then wait until the water reaches the first inch mark and record the time. Continue to record the times the water line reaches each inch. Repeat these
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Unformatted text preview: steps with both the hot water and the room temperature water. Water Temperature Cool Times by inch Room Temperature Times by inch Hot Times by inch Sponge 1 Sponge 2 Sponge 3 Data: 1. Which temperature of water did the water diffuse through the sponge the quickest? Why do you think this happened? 2. What do you think would happen if the half inch dipped into the water was increased to an inch or decreased to a quarter inch? 3. At what rate does the water travel each inch? Does this rate change from inch to inch? 4. Does the rate of increase stop? If it does why do you think it does?...
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This note was uploaded on 04/18/2010 for the course DDDD 3211 taught by Professor Gild during the Spring '10 term at Acadia.

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Diffusion lab write-up - steps with both the hot water and...

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