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Lesson 13 dissolved oxygen

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Fish use their gills to extract oxygen from water. Oxygen dissolves into water from air, similar to how sugar dissolves. Water movement from waves, aerators, or aquaponic plant systems helps mix the oxygen throughout the water. When water boils, the heat causes dissolved oxygen to escape from the water.

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Dissolved Oxygen How do our fish breathe? Copyright 2012 The Aquaponic Source, Inc.
What is happening when fish breathe? Fish use their gills to get oxygen out of the water! Copyright 2012 The Aquaponic Source, Inc.
How does oxygen get into the water? Air dissolves in water just like sugar does! Copyright 2012 The Aquaponic Source, Inc.
How does the oxygen mix with the water? The waves in the ocean The aerator or water stream from the plants in tanks Copyright 2012 The Aquaponic Source, Inc.
What is boiling? The air that was dissolved in the water is escaping because the water is too hot! Copyright 2012 The Aquaponic Source, Inc.

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Lesson 13 dissolved oxygen

  • 1. Dissolved Oxygen How do our fish breathe? Copyright 2012 The Aquaponic Source, Inc.
  • 2. What is happening when fish breathe? Fish use their gills to get oxygen out of the water! Copyright 2012 The Aquaponic Source, Inc.
  • 3. How does oxygen get into the water? Air dissolves in water just like sugar does! Copyright 2012 The Aquaponic Source, Inc.
  • 4. How does the oxygen mix with the water? The waves in the ocean The aerator or water stream from the plants in tanks Copyright 2012 The Aquaponic Source, Inc.
  • 5. What is boiling? The air that was dissolved in the water is escaping because the water is too hot! Copyright 2012 The Aquaponic Source, Inc.