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Properties and Matte
Properties and Matter Vocabulary
Question | Answer |
---|---|
Define Thermal Energy. | The kinetic energy of the moving particles in a substance or an object. |
Define Solid. | Firm and stable in shape;not liquid or fluid. |
Define Liquid | Having the consistency of water or oil, Flowing freely but of constant volume. |
Define Gas | an airlike fluid substance which expands freely to fill any space available, irrespective of its quantity. |
Define Plasma | A state of matter made up of charged atoms, uncharged atoms, and free electrons. |
Define Colloid | A mixture that contains particles that are too small to see. |
Define Phase Change | a change from one state (solid or liquid or gas) to another without a change in chemical composition |
Define Particle | a minute portion of matter |
Define Melting point | the temperature at which a given solid will melt. |
Define Freezing point | the temperature at which a liquid turns into a solid when cooled. |
Define Boiling Point | The temperature at which a substance changes from a liquid to a gas. |
Define Evaperation | The process by which a liquid changes into a gas. |
Define Condensation | The process by which water vapor changes into liquid water. |
Define Volume | The amount of space something takes up. |
Define Mass | The amount of matter something has. |
Define Density | The amount of mass something has in relation to it's volume. |
Define Atom | The smallest unit of an element that still has the properties of that element. |
Define Molecule | a group of atoms bonded together, |
Define Element | A substance made up of only one kind of atom. |
Define Compound | a substance made up of atoms of two or more elements that are chemically combined. |
Define Physical Change | A change that does not make make a substance into a new substance. |
Define Chemical change | A change in which one or more new substances are formed. |
Define Natural Resources | A material that occurs in nature that is essential or useful to people |