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Innovating Science

Kit Diffussion And Osmosis Small Grp Learning

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Students will study the movement of water and nutrients across a cell membrane and observe osmosis in living tissue. They will then investigate the relationship between surface area and volume as it relates to cells and diffusion. They will also examine the concept of molarity and how it relates to osmotic potential and the movement of water. Students will also be able to explain how cell size and shape affect the overall rate of nutrient intake and water elimination. Students will also use plant tissue to determine the molarities of unknown solutions based on the direction and degree of water movement. This kit contains enough materials for 4 groups. Teacher’s manual and Student Study Guide copymasters are included. Kit Includes: 25g Agar 8mL Bromothymol Blue Concentrate 25mL 2.0M Hydrochloric Acid 4 Agar Block Casting Trays 4 Plastic Cups, 5oz 4 Plastic Knives 4 Plastic Stirrers 4 Metric Rulers 20 pc. Dialysis Tubing 24 Plastic Cups, 7oz 1 pkg Microscope Slides 1 pkg Coverslips 1 Cork Borer Sucrose QuickSolution (to make 500mL of 1.0M solution) Sodium chloride QuickSolution (to make 500mL of 1.0M solution) Glucose QuickSolution (to make 500mL of 1.0M solution) Ovalbumin QuickSolution (to make 500mL of 5.0% solution) Food coloring set (red, blue, yellow, green) Sucrose QuickSolution set to make: 500mL of 0.2M Solution (Solution #3) 500mL of 0.4M Solution (Solution #2) 500mL of 0.6M Solution (Solution #5) 500mL of 0.8M Solution (Solution #1) 500mL of 1.0M Solution (Solution #4) 500mL Distilled Water (Solution #6) Materials Needed but not Supplied: Paper Towels Distilled or Deionized Water Electronic Balance Large Onion (red and purple onions work particularly well) Fine-point Forceps/Tweezers Microscopes Potatoes, Sweet potatoes, or Yams DOT Info: Small quantity exemption 173.4 THIS PACKAGE CONFORMS TO 49 CFR 173.4 for domestic highway or rail transport only WARNING: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.

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Kit Diffussion And Osmosis Small Grp Learning
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