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Density:Ocean Currents

By Janice VanCleave

Two red balls appear to be the same, but are they?

Density is a ratio of  mass to volume. Relative density is a comparison of the density of two or more things.For example: What is the relative density of the two balls and water in the diagram? Ball A sinks in the water, thus the density of ball A is greater than the density of water. […]

Filed Under: Physics Tagged With: density, mass, mixture, ocean currents, ocean water, polar ocean currents, relative density, relative density of liquids, salt concentration, volume

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The spoon hanging from the string vibrates when struck and these vibrations are transmitted through the string and the sound is amplified by the plastic cups. ABOUT ME: Hi, I am Janice VanCleave, author of 50 best-selling science experiment books for children ages 4 through high school. I taught science for 27 years. MORE.....

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