Term
| generally, the ________ changes as ________ changes |
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Definition
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Term
| the majority of the time, the __________ decreases as the ___________ increases |
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Definition
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Term
| what are the 4 states of matter? |
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Definition
| solid, liquid, gas, plasma |
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Term
| SOLID ( adj, fixed volume or shape?, and examples) |
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Definition
rigid
fixed shape and volume
examples: ice cube, diamond, iron bar |
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Term
| when solids are heated they... |
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Definition
| expand. but not very much |
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Term
| LIQUID (does it have a definite volume, examples) |
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Definition
has definite volume but takes shape of container
examples: water, gasoline, alcohol, blood |
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Term
| GAS (fixed volume/shape?, examples) |
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Definition
has no fixed volume/shape
takes shape and volume of container
examples: air, helium, oxygen |
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Term
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Definition
| high temperature physical state in which atoms lose their electrons |
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Term
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Definition
| characteristics that allow us to recognize it and to distiguish it from other substances |
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Term
| what are the 2 kinds of properties? |
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Definition
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Term
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Definition
| those characteristics we can measure without changing the basic identity of the substance |
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Term
| what are some examples of physical properties? |
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Definition
| color, odor, density, melting point, boiling point, hardness |
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Term
Changes of state by changing the temperature are...
irreversible or reversible? |
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Definition
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Term
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Definition
| Those properties which describe the way a substance may change or “react” to form other substance. |
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Term
| examples of chemical properties? |
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Definition
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Term
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Definition
| the tendency of a substance to burn in the presence of oxygen |
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