biology share-a-thon nsta annual conference march 30, 2008 presenter: kristen kohli
TRANSCRIPT
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Biology Share-A-Biology Share-A-ThonThon
NSTA Annual ConferenceNSTA Annual Conference
March 30, 2008March 30, 2008
Presenter: Kristen KohliPresenter: Kristen Kohli
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Properties of WaterProperties of Water
Cohesion Cohesion demonstrationdemonstrations:s:– Penny drop Penny drop
contestcontest– Cutting water Cutting water
with toothpickswith toothpicks
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Properties of WaterProperties of Water
Adhesion demonstrations:Adhesion demonstrations:– Paper towel clean up from cohesion Paper towel clean up from cohesion
demosdemos– Long-distance water pouringLong-distance water pouring
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Properties of WaterProperties of Water
Water expands as Water expands as it freezes:it freezes:– Ice cubes floatIce cubes float– Blown out water Blown out water
bottlebottle
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Properties of WaterProperties of Water
Hydrophobic substancesHydrophobic substances
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Properties of WaterProperties of Water
Hydrophilic SubstancesHydrophilic Substances– ““Insta-Snow”® or sodium Insta-Snow”® or sodium
polyacrylamidepolyacrylamide– Disposable diapersDisposable diapers– Addition of saltAddition of salt
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Polarity DemonstrationPolarity Demonstration
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The Fluid-Mosaic The Fluid-Mosaic ModelModel Density demonstration bottlesDensity demonstration bottles Structure of a phospholipidStructure of a phospholipid
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The Fluid-Mosaic The Fluid-Mosaic ModelModel Phospholipid arrangement Phospholipid arrangement
challengechallenge
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The Fluid-Mosaic The Fluid-Mosaic ModelModel
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Osmosis ActivitiesOsmosis Activities
Diffusion through a semi-Diffusion through a semi-permeable membranepermeable membrane
Potato osmosisPotato osmosis Card practiceCard practice
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Review Activities – Review Activities – Informational Informational PamphletsPamphlets Informational PamphletsInformational Pamphlets
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Review Activities – Review Activities – Informational Informational PamphletsPamphlets
The CoverThe Cover
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Review Activities – Review Activities – Informational Informational PamphletsPamphlets
Attention Attention Grabber – the Grabber – the inner foldinner fold
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Review Activities – Review Activities – Informational Informational PamphletsPamphlets The “meat & potatoes” – the The “meat & potatoes” – the
insideinside
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Review Activities – Review Activities – Informational Informational PamphletsPamphlets
Works Cited – Works Cited – The back The back covercover
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Review Activities – Review Activities – Team PostersTeam Posters
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Review Activities – Review Activities – Topic FoldersTopic Folders
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Review Activities – Review Activities – Topic FoldersTopic Folders
The coverThe cover
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Review Activities – Review Activities – Topic FoldersTopic Folders