Structure and properties of matter vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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Thermal Energy | the kinetic energy of the moving particles in a substance or an object.
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solid | Firm and stable in shape; not liquid or fluid.
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Liquid |
having a consistency like that of water or oil, i.e., flowing freely but of constant volume.
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Gas | an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity.
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Plasma | A state of matter made up of charged atoms, uncharged atoms, and free electrons.
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Colloid | A mixture that contains particles that are to small see.
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Phase Change | When temperature changes, matter can undergo a phase change, shifting from one form to another.
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Particle | a minute quantity or fragment.
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Melting point | The temperature at which a substance changes from a solid to liquid.
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Freezing point | The temperature at which a liquid changes into a solid.
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Boiling point | The temperature at which a substance changes from a liquid to a gas.
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Evaporation | The process by which a liquid changes into a gas.
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Condensation | The process by which water vapor changes into liquid water.
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Volume | The amount of space something takes up.
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Mass | The amount of matter something has.
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Density | The amount of mass something has in relation to its volume.
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Pure substance | A material that is composed of only one type of particle. A material made up of at least two different pure substances.
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Atom | The smallest unit of an element that still has the properties of that element.
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Molecule | A molecule is the smallest particle in a chemical element or compound. Molecules are made up of atom s that are held together by chemical bonds.
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Element | A substance made up of only one kind of atom.
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Compound | A substance made up of atoms of two or more elements that are chemically combined.
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Extended structure |
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Physical change | A change that does not make a substance into a new substance.
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Chemical change | A change in which one or more new substances are formed.
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Natural resource | A material that occurs in nature that is essential or useful to people.
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Synthetic material | Synthetic fabrics are textiles made from man-made rather than natural fibers.
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