Which is more dense - an iron nail or a piece of wood?

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Solution

Density is a measure of how much mass is contained in a given amount of space (volume).
Iron nail has more density than a piece of wood because iron has more density than water while the density of wood is less than that of water.
Hence, the iron nail is denser than a piece of wood.

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Which is more dense - an iron nail or a piece of wood?

Density is a measure of how much mass is contained in a given amount of space (volume).Iron nail has more density than a piece of wood because iron has more density than water while the density of wood is less than that of water.Hence, the iron nail is denser than a piece of wood.

Density is a measure of how much mass is contained in a given amount of space (volume).
Iron nail has more density than a piece of wood because iron has more density than water while the density of wood is less than that of water.
Hence, the iron nail is denser than a piece of wood.