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Carolina EcoKits®: Ecological Succession

$138.90
(in stock)

Description

Grades 9-12.

  • Observe the community succession of bacteria in aging milk
  • Plate bacteria on agar plates using sterile technique
  • Conduct Gram staining to distinguish between bacterial types

Students learn about ecological succession as they observe bacterial population changes in aging milk. Students study samples of aged milk and assess environmental changes by measuring the pH, then plate the milk on nutrient agar. After the bacteria grow, the colonies are Gram stained and colonies of different ages are compared. Kit accommodates 32 students working in 8 groups of 4.

Specifications

Shipping Information or Purchase Restrictions
  • Exclamation icon Limited Qty: Flammable Liquid - This product is/contains a limited quantity of a DOT regulated hazardous material. This item will not incur a hazmat fee when shipped by ground. Orders shipping to HI and AK are subject to review and may incur additional shipping charges.
What’s Included:
  • 40 Small Cups with Lids
  • 750 Sterile Toothpicks
  • 40 Petri Dishes
  • 2 Brain Heart Infusion Agar, 125 mL
  • 1 Crystal Violet, 500 mL
  • 1 Gram Iodine, 500 mL
  • 1 Safranin Counterstain, 500 mL
  • 1 Ethanol, 95%, 500 mL
  • 40 Pipets
  • 64 Weigh Boats
  • 72 Microscope Slides
  • 1 pH Strips
  • 1 Teacher's Manual and Reproducible Student Guide
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Needed But Not Included:
  • 1 Pasteurized Whole Milk, 1 gal (expiration date 10 or more days after the first lab date)
  • 1 Water Bath or Microwave (for melting agar)
  • 1 Thermal Gloves or Hot Pad
  • 8 Microscopes with 100x Objective Oil Immersion Lens
  • 8 Clothespins
  • 8 Permanent Markers
  • 8 Timers
  • 8 Wash Bottles
  •  Bunsen Burners or Hot Plates
  •  Immersion Oil
  •  Lens Paper
  •  Paper Towels
  •  Gloves
  •  Goggles
  •  Distilled Water
  •  Tap Water
  •  Bleach or 70% Ethanol
  • expand to see full list
Return Policy:

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