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Organically Grown? (Testing for Simulated Pesticide Residue)

kit #321

In this investigation, students will use a chemical test in order to determine whether fruit samples have been treated for any simulated pesticides. Based on their test results they grapple with the further question of which sample(s) could potentially be marketed as organic.

$119.95

  • Pesticides, chemicals used to control insects and other pest organisms, are used in production agriculture.
  • All pesticides must be approved by the USDA.
  • Low levels of pesticide can be detected using chemical tests.
  • Organic production uses several classes of pesticides approved by the USDA.

Content List in Organically Grown? (Testing for Simulated Pesticide Residue) is as follows:

Quantity Description
75 pieces of dried apple
80 small plastic tasting cups
8 stir sticks
4 dropper bottles of “Pesticide 1” Indicator
4 dropper bottles of “Pesticide 2” Indicator
4 dropper bottles of “Pesticide 3” Indicator
1 60-mL bottle of “Pesticide” Solution A
1 60-mL bottle of “Pesticide” Solution B
1 60-mL bottle of “Pesticide” Solution C
32 Student Guides
1 Teacher's Guide
1 SDS (Safety Data Sheet) packet
Number of groups
maximum 8 groups per class
Number of students
maximum 32 (8 groups of 4 students)
Number of classes
sufficient materials for 2 classes
Calendar

This activity takes one to two ~50 minute class periods to complete.

Title Item # Price Quantity
Organically Grown? (Testing for Simulated Pesticide Residue) 321 $119.95