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Lab: Effect of Salinity on Living Tissue

Lab: Effect of Salinity on Living Tissue
Lab: Effect of Salinity on Living Tissue
Lab: Effect of Salinity on Living Tissue
Lab: Effect of Salinity on Living Tissue
Lab: Effect of Salinity on Living Tissue
Lab: Effect of Salinity on Living Tissue
Product Description
This lab takes about 20 minutes on one day, then it must sit overnight, and 20 minutes the next day. More time may be required for finishing the write-up. This is a simple lab that uses potatoes placed in fresh water and salt water to compare the osmotic issues that fresh and salt water creatures face. If you have a 90 minute period, I have found that it will work if you do the first half immediately and then wait 45 minutes to do the second part, rather than overnight. The first 2 pages are fine for grade levels 6 through 12. The last few questions on the 3rd page may be difficult for younger students....but then you can just leave it out or create questions of your own.
Total Pages
3 pages
Answer Key
N/A
Teaching Duration
40 minutes
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$1.50
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$1.50
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