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The Case of the Disappearing Frogs


  • Science


  • 3-5
  • 6-8

Brief Description

Students sift through a lineup of environmental suspects to solve a case of disappearing tadpoles.


Students understand the interrelationship of living things.


environment, frogs, pollutants, ecology

Materials Needed

The Case of the Disappearing Frogs
computers with Internet access or a printout of the Web site text

Lesson Plan

  • Invite students to read about The Case of the Disappearing Frogs online or provide them with a printout.
  • Organize students into pairs or small groups and assign one suspect to each group.
  • Have each group prepare and present to the class a written report on prior "crimes" its assigned suspect has committed against the environment.
  • Based on the reports, invite students to vote for the suspect they consider most guilty of the crime.
Extension: Set up the Investigate Acid Rain experiment in the classroom and chart the results.


Evaluate students on the quality and accuracy of their written reports.

Lesson Plan Source

Oregon Coast Aquarium

Submitted By

Linda Starr

National Standards