Anything that has mass and takes up space is ________.

matter

The amount of space an object take up is its ____________.

volume

________ is how tightly packed the matter in an object is.

density

_______ is the force of gravity between Earth and an object.

weight

The amount of matter in an object is its ________.

mass

An object's ability to float is

_________.

buoyancy

________ is how well energy flows though an object.

conductivity

In a _____ molecules are tightly packed together.  It does not change shape, vibrates and is very dense.

solid

A ____ takes the shape of the container.  Particles move more slowly than a solid.

liquid

Particles are spread apart in a ____ and move quickly with a very low density.

gas