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NSTA Annual Conference March 30, 2008 Presenter: Kristen KohliBiology Share-A-Thon NSTA Annual Conference March 30, 2008 Presenter: Kristen Kohli
Properties of Water Cohesion demonstrations: Penny drop contestCutting water with toothpicks
Properties of Water Adhesion demonstrations:Paper towel clean up from cohesion demos Long-distance water pouring
Properties of Water Water expands as it freezes: Ice cubes floatBlown out water bottle
Properties of Water Hydrophobic substances
Properties of Water Hydrophilic Substances“Insta-Snow”® or sodium polyacrylamide Disposable diapers Addition of salt
The Fluid-Mosaic ModelDensity demonstration bottles Structure of a phospholipid
The Fluid-Mosaic ModelPhospholipid arrangement challenge
The Fluid-Mosaic Model
Osmosis Activities Diffusion through a semi-permeable membranePotato osmosis Card practice
Review Activities – Informational Pamphlets
Review Activities – Informational PamphletsThe Cover
Review Activities – Informational PamphletsAttention Grabber – the inner fold
Review Activities – Informational PamphletsThe “meat & potatoes” – the inside
Review Activities – Informational PamphletsWorks Cited – The back cover
Review Activities – Team Posters
Review Activities – Topic Folders
Review Activities – Topic FoldersThe cover
Review Activities – Topic Folders
Water Properties (2.2) Part 1
The Importance of Water
I. The Cell (aka Plasma) Membrane Overview Cell membrane separates living cell from nonliving surroundings Controls traffic in & out of the cell.
TODAY’S AGENDA P.O.D: Make an initial observation of the fish tank before the food coloring is added. Then predict what will happen when a fish tank filled.
Cell Membrane Outside of cell Inside (cytoplasm) Carbohydrate chains
Introduction to Cell Transport and the Cell Membrane
The Plasma Membrane.
The Cell Membrane Cell Biology standard 1a
Chapter 7: Cells. 1) Regulates what goes in and out (selectively permeable- some molecules too large or too strongly charged to cross while others.
Plasma Membrane & Cellular Transport
The Cell Membrane 1 Cell membranes are composed of two phospholipid layers called a phosholipid bilayer. The cell membrane has two major functions: 1.
Cell Transport. Maintaining Balance Homeostasis – process of maintaining the cell’s internal environment Cannot tolerate great change Boundary between.
1. What is the best way to float a thin metal pin on water? How come it works, although the pin is much more dense / heavier than the water? 2. When are.
Maintaining a Balance. 1.The plasma membrane is a SELECTIVELY (SEMI-) PERMEABLE membrane that allows nutrients and wastes to enter and exit the cell.
MCC BP Chapter 3. Water— The Elixir of Life!. MCC BP Based on work by K. Foglia Why are we studying water? All life occurs in water.
Chapter 3: Water & Life. 1.I can explain the significance of polar covalent and hydrogen bonds within and between water molecules. a.I can determine how.
2.4.1 Draw and label a diagram to show the structure of membranes (1).
Chapter 7, section 3: Cell Transport
Cornell Notes-Practice! Preparation for life beyond HIGH SCHOOL! Key Points for “BIOCHEMISTRY NOTES” (LEFT SIDE OF PAPER): -What are 3 parts of an atom?
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