Innovating Science™ AP Environmental Science: Salt Toxicity

Description

Model the salt toxicity of three different salts using radish seeds and process of determining the LD50 for three different salts: NaCl, MgCl2, and CaCl2.

• Model the salt toxicity of three different salts using radish seeds and the process of determining the LD50 for three different salts: NaCl, MgCl₂ and CaCl₂.
• This kit contains enough materials for 8 groups of students and comes with a Teacher's manual and Student Study Guide Copymaster.
• The activity covers AP Environmental Science primary learning objectives STB-3.B, EIN-3.A, and EIN-3.B.
• It will take a total of 90 minutes with a 5 to 7-day wait time to complete this activity (Day 1: 45 minutes and Day 2: 45 minutes).

Kit contains:

• Sodium Chloride Quicksolution, makes 500 mL of 3% Solution
• Magnesium Chloride Quicksolution, makes 500 mL of 3% Solution
• Calcium Chloride Quicksolution, makes 500 mL of 3% Solution
• Radish Seeds, 20 g
• 48 Germination Trays with Lids
• 48 Pipettes
• 48 Cups, 5 oz.
• 32 Stir Sticks
• Toothpicks

Needed but not supplied:

• Graduated Cylinders, 50 or 100 mL
• Distilled Water
• Scissors
• Paper Towels
• Marker

Specifications

• Grade Level: High School
• Grade: 9 to 12
• For Use With (Application): Education
• Class Size: 8 Lab Groups
• Product Type: Salt Toxicity