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Science 6th Blue
| Term | Definition |
|---|---|
| Thermal Energy | The kinetic energy of the moving particles in a substance or an object. |
| Solid | Firm and stable in shape; not liquid or fluid |
| Liquid | Having a consistency like that of water or oil, i.e., flowing freely but of constant volume. |
| Gas | An airlike fluid substance which expands freely to fill any space available, irrespective of its quantity. |
| Plasma | A state of matter made up of charged atoms, uncharged atoms, and free electrons |
| Colloid | A mixture that contains particles that are too small to see |
| Phase Change | The states in which matter can exist: as a solid, liquid, or gas. When temperature changes, matter can undergo a phase change, shifting from one form to another. |
| Particle | A minute portion of matter |
| Melting Point | The temperature at which a substance changes from a solid to a liquid |
| Freezing Point | The temperature at which a liquid turns into a solid when cooled. |
| Boiling Point | The temperature at which a substance changes from a liquid to a gas |
| Evaporation | The process by which a liquid changes into a gas |
| Condensation | The process by which water vapor changes into liquid water |
| Volume | The amount of space taking up something |
| Mass | The amount of matter something has |
| Density | The amount of mass something has in relation to its volume |
| Pure Substance | A material that is composed of only one type of particle; examples of a pure substance include gold, oxygen and water. Mixture. A material made up of at least two different pure substances. Mechanical Mixture. A mixture in which each material maintains ow |
| Atom | The basic unit of a chemical element. |
| Molecule | A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. |
| Element | A part or aspect of something abstract, especially one that is essential or characteristic. |
| Compound | A thing that is composed of two or more separate elements; a mixture. |
| Physical Change | A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another. |
| Chemical Change | Any process determined by the atomic and molecular composition and structure of the substances involved. |
| Natural Resource | Materials or substances such as minerals, forests, water, and fertile land that occur in nature and can be used for economic gain. |
| Synthetic Material | A compound made artificially by chemical reactions |
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Batman2004
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