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Observation

It is observed that the color of the red and yellow balls cease to be visible at depths of 15 meters and 20 meters under water.

Underwater Science Project

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Complexity level:
9
Project cost ($):
250
Time required:
1 day to prepare, 1 day for observation
Material availability:
Scuba diving gear, a boat, and lighting equipment may be rented from a scuba diving rental shop
Safety concerns:

Be extremely careful to ensure the safety of all participants. Life jackets must be worn at all times, and adult involvement is mandatory. The involvement of a qualified and experienced scuba diver is absolutely necessary.