Transcription: In your experiment, you learned that salt water is more dense than fresh water. This is a fact that scuba divers must be aware of. The combination of a scuba diver and all of his or her equipment is actually less dense than water. Thus, a scuba diver will float in both fresh and salt water. Of course, a scuba diver wants to be under the water, so in order to be able to sink, a scuba diver actually wears weights. You can see an example of these weights right here. These weights increase the density of the scuba diver, allowing him or her to sink. A scuba diver who is used to diving in fresh wat ...