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Definition
| to build large molecules from small ones |
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Definition
| complicated arrangements of atoms |
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| how do optical fiber cables transmit different types of data? |
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Definition
| using different colors of light |
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Definition
| an observation of natural phenomenon carried out in a controlled manner so the results can be duplicated and conclusions obtained |
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Definition
| a statement or equation about a fundamental relationship |
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Definition
| a tentative explanation of some regularity of nature |
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Definition
| a tested explanation of basic natural phenomena |
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| describe process of the scientific method |
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Definition
| framing laws, hypothesis, or theories and then conducting experiments |
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Term
| describe law of conservation of mass& who made it |
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Definition
Antoine Lavoisier;
it states that the total mass remains constant during a chemical change |
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Term
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Definition
| quantity of matter in a material |
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Definition
| whatever occupies space can can be felt or seen |
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Definition
| force of gravity exerted on object |
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Definition
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Definition
| a change in which one or more kinds of matter are transformed into a new kind of matter or several new kinds of matter |
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Definition
| characteristic that can be observed w/o changing chemical identity |
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Definition
| characteristic of material that involves its chemical change |
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Definition
| kind of matter that can't be separated into other kinds of matter by physical means |
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Definition
| substance that cannot be decomposed into simpler substances |
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Definition
| substance composed of 2 or more elements chemically combined |
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| law of definite proportions (aka law of constant composition) |
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Definition
| a pure compound always contains definite or constant proportions of the elements by mass. |
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Term
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Definition
| a material that can be separated by physical means into 2 or more substances |
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Term
| heterogeneous mixture vs homogeneous mixture |
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Definition
| 2 or more phases vs 1 phase |
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Definition
| part of mixture that is uniform throughout |
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Term
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Definition
| representation of number in the form Ax10^n |
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Term
| what is the particular choice of metric units? |
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Definition
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Term
| meter, kilogram, second, kelvin |
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Definition
| SI unit of length, mass, time, and temperature (absolute temp) |
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Term
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Definition
mass per unit volume
d=(m/V) |
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Term
| science of measurements by Lavoisier |
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Definition
| requires making measurements |
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