Science/Strand III/Content Standard 3/High School/Benchmark 3
Benchmark Question: How are new traits established in
individuals/populations through changes in genetic material (DNA)?
Focus Question: What are the positive and negative
effects of agricultural chemicals that may cause mutations?
In small groups of four,
students will research agricultural chemicals commonly used on apples,
cherries, oranges, corn, wheat, and oats. Two students will take a positive
position and two students will take a negative position based on the facts
they discover in their research. Each student should represent a specific
group. Opposing groups could include parents expecting a child, scientists,
agricultural companies, farmers, and local governmental and environmental
Students will debate the
positive and negative effects of agricultural chemicals that may cause
mutations. The debate will be presented to the class as a forum for a state
committee on agricultural chemical use.
Note: Role-plays of this type work best if
there is a middle-of-the-road group to help the extremes come to some