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Innovating Science™ AP Biology Investigation Kit No. 4: Diffusion and Osmosis 
To observe osmosis and diffusion in living tissue.
Manufacturer: Innovating Science™ IS3704
Alert:
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.
Requires :
- Paper towels
- Distilled or deionized water
- Electronic balance
- Large onion
- Fine-point forceps/tweezers
- Microscopes
- Potatoes, sweet potatoes, or yams
Description
- Students study concepts in osmosis and diffusion process
- Movement of water and nutrients across cell membrane
- Investigate relationship between surface area and volume as it relates to cells and diffusion
- Examine the concept of molarity and its relation to osmotic potential and movement of water
- Cell size, shape and water elimination affect the overall rate of nutrient intake
- Students use plant tissue to determine molarities of unknown solutions based on direction and degree of water movement
- Meets AP Science Practices 2, 4, and 5, and Big Idea 2
- For 8 groups
- Kit Includes:
- Agar (45 g)
- Bromothymol blue concentrate (15 mL)
- 2M Hydrochloric Acid (2 x 25 mL)
- Sucrose Quick Solution (Makes 0.2M, 0.4M, 0.6M, 0.8M, 1M)
- Sodium Chloride Quick Solution
- Ovalbumin Quick Solution
- Glucose Quick Solution
- Distilled Water Solution
- Food coloring set
- Plastic cups
- 8 Agar block casting trays
- 40 pieces dialysis tubing
- 8 Plastic knives, stirrers
- 8 metric rulers
- Microscope slides, Coverslips
- Teacher manual
- Student study guide
Specifications
| 13 | |
| 14 | |
| 20 | |
| 49 CFR 173.4, meets AP Science Practices 2, 4, and 5 as well as Big Idea 2. | |
| White | |
| Ap™ Biology Investigation Kit #4: Diffusion And Osmosis |
| 7 | |
| 1 Kit | |
| Studying the movement of water and nutrients across a cell membrane. Observe osmosis in living tissue, investigate the relationship between surface area and volume as it relates to cells and diffusion | |
| 12 x 12 x 12 in. | |
| 8 lab groups |
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