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The leaking bag

Nicole

Type	Document
Description	Two beakers will be displayed at the front of the room. Both look identical in that they both contain a plastic zip-lock bag with a starch solution inside. The zip-lock bag is in a clear solution. What the students don’t know is that while the solution in one beaker is just water, the second beaker contains iodine.In beaker two, the colour of the starch inside the zip-lock bag will change. Stud...
Tags	biology diffusion osmosis mysteries teaching classroom
Author	TEMI Group
Uploaded by	Nicole
License	Public Domain

Language	Language independent
Created at	February 23, 2016 15:28
Updated at	February 23, 2016 15:28
Size	863 KB

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• Type: Document
• Title: The leaking bag
• Description: Two beakers will be displayed at the front of the room. Both look identical in that they both contain a plastic zip-lock bag with a starch solution inside. The zip-lock bag is in a clear solution. What the students don’t know is that while the solution in one beaker is just water, the second beaker contains iodine.In beaker two, the colour of the starch inside the zip-lock bag will change. Students need to figure out why this is happening.
• Keywords: biology, diffusion, osmosis, mysteries, teaching, classroom
• Language: Language independent
• Age Range: 15 - 17
• Author: TEMI Group
• Uploaded by: Nicole
• License: Public Domain
• LOM Metadata: http://vishub.org/activity_objects/24068/metadata.xml

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