Exploring A Hydrogel
Website Address:https://www.curriki.org/oer/Exploring-A-Hydrogel-142014
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OtherDescription:
In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers, nanoscale science and nanotechnology. Safety notes: The powder in baby diapers is irritating to the eye and nasal membranes. Avoid shaking the diapers a lot, since doing so is more likely to irritate your nose. Always wear goggles when doing this activity. The gelled material can be disposed of in the trash -- do not put it in the sink, as it may clog the drain!
Subjects:
- Education > General
Education Levels:
- Grade 1
- Grade 2
- Grade 3
- Grade 4
- Grade 5
- Grade 6
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- Grade 8
- Grade 9
- Grade 10
- Grade 11
- Grade 12
Keywords:
polymer,NSDL,Upper Elementary,The Nature of Technology,NSDL_SetSpec_ncs-NSDL-COLLECTION-000-003-112-056,super-absorbers,Informal Education,General,Social Sciences,Communicating Results,Materials science,oai:nsdl.org:2200/20130722184245811T,absorption,Technology and Society,Liquids,nanoscale,Gathering Data,Life Science,General science,Nanotechnology,scientific method,History/Policy/Law,Invention and Innovation,Middle School,Formulating Explanations,The Scientific Process,diapers,Metallurgy and Materials Engineering,Solids,Elementary School,Physical science,Conducting Investigations,nanotechnology,Chemistry,Physics,Impacts of Technology,Chemical Reactions,Engineering and Technology,sodium polyacrylate,Structure and Properties of Matter,Atomic Structure,Engineering,High School,Science and society,Solutions,Physical Sciences,Education,Technology,Chemical Bonding,Asking QuestionsLanguage:
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In this activity on page 10 of the PDF, learners develop an experiment to answer the following question: "How much water can the hydrogel in a baby diaper hold?" Use this activity to explore polymers, nanoscale science and nanotechnology. Safety notes: The powder in baby diapers is irritating to the eye and nasal membranes. Avoid shaking the diapers a lot, since doing so is more likely to irritate your nose. Always wear goggles when doing this activity. The gelled material can be disposed of in the trash -- do not put it in the sink, as it may clog the drain!
