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| Atoms and Molecules are tiny particles that are |
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Definition
| always in motion and found in all matter |
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| Tiny particles that make up matter are |
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| a solid that vibrates in place |
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| Gas has neither a definite volume |
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| Independently and collide frequently |
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| The inward pull among surface molecules of a liquid that brings those molecules closer together |
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| Plasmas are different from gas |
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| because they conduct electric currents |
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| A substance change of state is a |
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| Physical Change because the substance does not change its identity |
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| Change of matter from one physical from to another |
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| When carbon dioxide gas enters the air from the surface of a block of dry ice |
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| The carbon dioxide gains energy |
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| The change of state from a solid to a liquid |
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| The temperature at which a substance melts |
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| A substance melting point is the same as its |
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| The change of state from a liquid to a solid |
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| The change of a liquid to a gas and occurs through out the liquid |
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| Temperature at which a substance changes from a liquid to a gas |
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| When a liquid becomes a gas |
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Definition
the particles move more QUICKLY
the particles BREAK AWAY from one another |
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| Condensation point of water |
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Definition
| is the same as its boiling point |
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| The ATMOSPHERIC PRESSURE at which water is heated |
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| can affect the temperature at which water boils. |
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| the change of state from a gas to a liquid |
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| the change of state that goes directly from a gas to a solid |
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| Evaporation occurs at the |
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| Gaseous water particles coming together to form droplets on a cup are an example of a |
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| DECREASE OF ENERGY in a substance |
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Definition
| the change of state from a solid directly to a gas |
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| When a liquid has a high viscosity |
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Definition
| it is very hard to pour (molasses) |
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| Examples of phyiscal properties include |
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Definition
| shiny, soft and malleable |
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Term
| Reason we do not feel the earth rotating on its axis |
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Definition
| because we are rotating with it |
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| WHen you use an electric current to split liquid water a |
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Definition
| chemical change takes place because the matter forms hydrogen gas and oxygen gas. |
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