CAM 7th/8th Science | CAM 7 Science

Water Quality & Macroinvertebrates

Unit Information:

  1. What is a watershed?
  2. Why do we need to monitor the water in streams?
  3. What is pollution? What is non-point pollution?
  4. What is the riparian zone?
  5. What are some physical parameters measured during stream monitoring?
  6. What is canopy cover and why is it important?
  7. Why is water temperature important?
  8. What is turbidity and why is it important?
  9. What are some chemical tests done during stream monitoring?
  10. What is DO and why is it important?
  11. How does oxygen get into the water?
  12. What is pH? (What does it measure?) What is neutral on the pH scale?
  13. How do phosphates & nitrates affect streams?
  14. What is biological testing?
  15. What are benthic macroinvertebrates?
  16. What part of a stream do we use for collecting macros? Why?
  17. What are three groups (orders) of insects that are indicators of good water quality?
  18. What are the three body parts of insects? How many legs do insects usually have?
  19. What two life cycles might insects experience? Why don’t larvae lay eggs?
  20. What is FFG? What are the four groups? What do they eat? Know some examples for each group.
  21. Be able to identify the following:
    • mayfly larva
    • stonefly larva
    • caddisfly larva
    • cranefly larva
    • sowbug
    • scud
    • blackfly larva
    • water boatman
    • water beetle (adult & larva)
    • midge larva
    • water mite
    • crayfish
    • aquatic earthworm
    • flatworm
    • snail (right vs. left)
    • mussel

Review Notes from class (html) - updated 11/16/15

Student Water Quality/Macroinvertebrate Project:

Documents & Classroom Activities:


External Links (resources found on other websites):

For information, questions, or comments,
email Michael Clapp:
CAM Academy - Battle Ground Public Schools
Modified : 5/25/13