Gizmo

Pond Ecosystem

Measure the temperature and oxygen content of a pond over the course of a day. Then go fishing to see what types of fish live in the pond. Many different ponds can be investigated to determine the influence of time, temperature, and farms on oxygen levels.

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LEARNING OBJECTIVES:

  • Investigate how the levels of dissolved oxygen in a pond vary throughout a day.
  • Learn the source of dissolved oxygen in a pond.
  • Determine the effect of dissolved oxygen on the fish in a pond.
  • Compare dissolved oxygen levels in warm and cold ponds.
  • Determine the effect of farms on dissolved oxygen concentrations. (Extension)
VOCABULARY:
  • abiotic factor, biotic factor, concentration, mean, oxygen, parts per million, photosynthesis

LESSON MATERIALS:

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