Density is how much stuff is in a certain space. For example, a brick is denser than a feather because there is more stuff in the same space.
The air is less dense than water.
Noun: density (plural: densities).
Adjective: dense.
Verb: to densify.
to make something denser.
The word "density" comes from the Latin word densitas, which means "thick" or "closely packed". It was first used in English in the 14th century to refer to the amount of matter in a given volume.
Why is density something which impacts a materials ability to float?
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