mass: the amount of matter in an object.
volume: the amount of space an object takes up.
weight: (on Earth) a measure of the force of gravity between Earth and an object.
density: a measure of how toghtly packed matter is; the amount of mass contained in a given volume.
buoyancy: the upward push on an object by the liquid ( or gas) the ob ject is placed in.
conduct: allow heat or elctricity to flow through it readily.
insulate: not allow heat or electricity to flow through readily.
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