Mrs. Renz's 4th Grade Class Redmond, Oregon

 

JASON Disappearing Wetlands Osmosis Lesson

Jan. 2005

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Alligator group's experiment

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Grass Shrimp group's experiment

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Laughing Gull group's experiment (gross salt water potato!)

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Nutria group's experiment 

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The salt water potato slice shrunk a lot compared with the fresh water slice

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Using gram stackers to weigh the potato slice soaked in fresh water

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Using gram stackers to weigh the potato slice soaked in salt water

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The potato soaked in salt water seemed to lose weight