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In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control. After about 15-30 minutes, the carrots with salt become flexible and water can be seen in the bag. Extensions include measuring the amount of water lost from the carrots, varying the salt solutions, and investigating other liquids, vegetables or solids. Part of the "No Hassle Messy Science with a Wow" activity guide by OMSI, where all activities use only household materials.
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