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Biology Share-A-Thon NSTA Annual Conference March 30, 2008 Presenter: Kristen Kohli.

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Presentation on theme: "Biology Share-A-Thon NSTA Annual Conference March 30, 2008 Presenter: Kristen Kohli."— Presentation transcript:

1 Biology Share-A-Thon NSTA Annual Conference March 30, 2008 Presenter: Kristen Kohli

2 Properties of Water Cohesion demonstrations: Cohesion demonstrations: –Penny drop contest –Cutting water with toothpicks

3 Properties of Water Adhesion demonstrations: Adhesion demonstrations: –Paper towel clean up from cohesion demos –Long-distance water pouring

4 Properties of Water Water expands as it freezes: Water expands as it freezes: –Ice cubes float –Blown out water bottle

5 Properties of Water Hydrophobic substances Hydrophobic substances

6 Properties of Water Hydrophilic Substances Hydrophilic Substances –Insta-Snow® or sodium polyacrylamide –Disposable diapers –Addition of salt

7 Polarity Demonstration

8 The Fluid-Mosaic Model Density demonstration bottles Density demonstration bottles Structure of a phospholipid Structure of a phospholipid

9 The Fluid-Mosaic Model Phospholipid arrangement challenge Phospholipid arrangement challenge

10 The Fluid-Mosaic Model

11 Osmosis Activities Diffusion through a semi-permeable membrane Diffusion through a semi-permeable membrane Potato osmosis Potato osmosis Card practice Card practice

12 Review Activities – Informational Pamphlets Informational Pamphlets Informational Pamphlets

13 Review Activities – Informational Pamphlets The Cover The Cover

14 Review Activities – Informational Pamphlets Attention Grabber – the inner fold Attention Grabber – the inner fold

15 Review Activities – Informational Pamphlets The meat & potatoes – the inside The meat & potatoes – the inside

16 Review Activities – Informational Pamphlets Works Cited – The back cover Works Cited – The back cover

17 Review Activities – Team Posters

18 Review Activities – Topic Folders

19 The cover The cover

20 Review Activities – Topic Folders


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