Innovating Science™ AP Biology Investigation Kit No. 4: Diffusion and Osmosis

Description

Requires

• Paper towels
• Distilled or deionized water
• Electronic balance
• Large onion
• Fine-point forceps/tweezers
• Microscopes
• Potatoes, sweet potatoes, or yams

To observe osmosis and diffusion in living tissue.

• 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

• Certifications/Compliance: 49 CFR 173.4, meets AP Science Practices 2, 4, and 5 as well as Big Idea 2.
• Product Type: AP Biology Investigation Kit #4: Diffusion and Osmosis
• Color: White
• Grade: 7 to 14
• Age: 13 to 20
• For Use With (Application): 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
• Quantity: 1 Kit
• Dimensions (L x W x H): 12 x 12 x 12 in.
• Class Size: 8 Lab Groups