Conductor - A material that allows energy to flow through it easily.A material that allows energy to flow through it easily., Matter - Anything that has mass and takes up space., Solid - Matter that has a definite size and shape., Insulator - A material that does not allow energy to pass through it., Solubility - The ability for a substance to dissolve in water., Liquid - Matter that has a definite size/amount/volume, but no definite shape., Gas - Matter that has no definite size or shape., Mass - The amount of matter in an object., Physical property - Something that can be observed or measured about an object., Thermal energy - Heat energy, Freezing - turning from a liquid to solid., Density - The ability for matter to float or sink in water; more dense= sink, less dense= float,

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