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Fish have gas?
What is a swim bladder? From their internal balloon trickery to managing buoyancy without scuba gear, learn why fish have gas! Find out how swim bladders enable fish to effortlessly control their depth and conserve energy under water. Uncover the distinction between open and closed swim bladders, as well as alternatives to swim bladders.
2 min
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1 h 0 min activity
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Activity
1 h 0 min activity
Conduct an experiment: Students explore buoyancy in the lab by simulating a fish’s swim bladder. They develop hypotheses and follow a procedure to test them.
