Volume, Space that an object takes up as expressed in cubic units. The formula is V= L x W x H., Freezing Point, The temperature at which a liquid starts to freeze (0 degrees Celsius for water)., Density, The mass of a substance divided by its volume. , Melting Point, The temperature at which a solid starts to melt (0 degrees Celsius for water)., Weight, a measure of the pull of gravity on an object (a spring scale measures it)., Boiling Point, The temperature at which a liquid starts to turn into a gas (100 degrees Celsius for water)., Mass, The amount of matter in an object (a balance scale is used to measure this)., Concentrated, Having a large amount of solute in a solution in comparison with the amount of solvent. ., Neutron, A particle with no electrical charge in the nucleus of an atom. , Element, The basic building blocks of matter; cannot be separated into parts by chemical means. ., Atom, The smallest particle of an element that has all the properties of the element. ., Saturated, Combined with or containing all the solute that can be dissolved without changing the temperature., Electron, A negatively charged particle moving around the nucleus of an atom. , Proton, A positively charged particle in the nucleus of an atom., Dilute, Having little solute in a solution in comparison with the amount of solvent., Compound, A substance made up of two or more elements held together by chemical bonds that cannot be separated by physical means.  .

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