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Vocabulary
Structure and properties of matter vocabulary
| Term | Definition |
|---|---|
| Thermal energy | The kinetic energy of the moving particles in a substance or an object. |
| Solid | Firm and stable in shape. |
| Liquid | having a consistency like that of water |
| Gas | an airl ike 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 to 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. |
| Condesation | The process by which water vapor changes into liquid water. |
| Volume | The amount of space something takes up. |
| Mass | The amount of matter something has. |
| Density | The degree of compactness of a substance. |
| Pure Substance | A material that is composed of only one type of particle |
| 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 | each of more than one hundred substances that cannot be chemically inter-converted or broken down into simpler substances and are primary constituents of matter. |
| Compound | a thing that is composed of two or more separate elements; a mixture |
| Extended Structure | made larger the arrangement of and relations between the parts or elements of something complex. |
| Physical Change | A physical change is a change in which no new substances are formed. |
| Chemical Change | a usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties |
| 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 | Synthetic fabrics are textiles made from man-made rather than natural fibers. |
Created by:
Stephanie5314
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