Why does gold sink and wood float when they have similar volumes? Include what is happening with the mass size and arrangement of atoms explain density in your own words
gold sinks and wood floats because

Gold has a density higher than water so it sinks. Wood has a density lower than water so it floats.

Explanation:

Wood has less packed particles compared to gold. Gold had more packed molecules.

Solids are not the only substances that have density. Water and air have density that changes too. Density plays a key role in determining whether objects will sink or float in fluids and gases. Gold sinks in water because gold is denser than water, and pine floats in water because pine is less dense than water.The particles in wood are not so closely packed. There is more space in between the particles and fibres, which gives wood its low density.

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it is b that is the answer.