It is infeasible to measure all of the pollutants that may exist in a waterway. Instead, scientists monitor ‘indicators’ such as water bugs to measure the condition of waterways.

In this module, students will:

  • understand the meaning of tolerant and sensitive water bugs
  • observe water bugs from their local waterway
  • identify water bugs using a Waterbug Identification Guide, as an indicator of the quality of the water from which the bugs were collected

Teachers: view the handy Topic Starter that has been created for this module. Use it as a jumping off point to begin exploring one inquiry question related to the topic with students.  

Education level
Stage 3

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