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Title
: The effect different temperatures have on fish respiratory system
Question
: How do different temperatures affect fish respiratory system?
Hypothesis
: If the temperature is 78
°F then the oxygen consumption will increase. If the temperature is 70
° then the oxygen will decrease.
Method
:
Incubation chamber 1:
Measure 1 liters of fresh water
Heat water to 78
°F
Wait for the chamber to reach 78°F
Place the 1 fish in and start the timer for 30 minutes
After 30 minutes record results and observations
Take the crab out of water and place them into their habitat
Keep the same water in the incubation chamber
Add a new fish
Repeat steps 4-6
Incubation chamber 2:
Measure 1 liters of dechlorinated water
Mix instant ocean with the water - salinity of 1.020
Place the 1 crabs in and start the timer for 30 minutes
After 30 minutes record results and observations
Take the crab out of water and place them into their habitat
Keep the same water in the incubation chamber
Add a new crab
Repeat steps 3-5
Clean up
Materials
:
4 goldfish
Oxygen probe
Dechlorinated water
Thermometer
Fish food
Timer
I
ncubation chamber
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