Innovating Science AP Environmental Science: Salt Toxicity

Model the toxicity of three different salts by determining the LD50.

• Contains enough materials for 8 groups of students
• Comes with a Teacher’s manual and student study guide copymaster
• Aligned with AP curriculum, covering AP Environmental Science primary learning objectives STB-3.B, EIN-3.A, and EIN-3.B

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. 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.

AP® and the Advanced Placement Program are registered trademarks of the College Entrance Examination Board. The activities and materials in these kits were developed and prepared by Aldon, which bears sole responsibility for their contents.

Ordering information: Kit includes:
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

Delivery information: Items needed but not supplied: graduated cylinders (50 or 100 ml), distilled water, scissors, paper towels, marker.