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26 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Mass |
The amount of matter an object has |
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Independent Variable |
The variable which is being changed in an experiment. |
Amount of sunshine, Amount of water, etc |
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Extensive Property |
A property of a substance depending solely on the amount or numbers |
Mass, Matter, Volume |
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Liquid |
A state of matter in which particles are moving at a moderate speed; indefinite shapes but fixed volume |
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Scientific Method |
Observations, Proposing and testing hypotheses, and developing theories |
A logical, systematic approach to the solution of a scientific problem |
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Dependent variable |
The thing which is responding to the independent variable |
A flower |
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Volume |
The amount of space occupied by an object |
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Intensive Property |
This property focuses on the type of matter instead of the amount |
Absorbancy, Density, Boiling Point, etc |
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Physical Change |
Where properties of a material change, but not the composition |
Ripping a paper |
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Solid |
Definite shape and definite volume; particles are close together |
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Gas |
Takes shape and volume of its container. Particles are widely spread throughout the substance |
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Mixture |
Physical blend of two or more components |
Cookies and cream |
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Heterogeneous mixture |
A mixture where the different components are not evenly mixed throughout. |
Cereal or soup |
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Homogeneous mixture |
A mixture in which all of the components are evenly mixed |
Oil or vinegar |
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Phase |
The different components/ layers within a mixture |
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Solution |
A homogeneous mixture |
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Element |
Simplest form of matter with unique set of properties |
O, N, H |
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Compound |
A substance containing two or more elements chemically combined in a fixed proportion |
H2O |
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Chemical Change |
Where a change occurs and the matter has a different composition than before |
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Density |
The ratio of the mass of an object to its volume |
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Accuracy |
How close you are to the accepted/true value |
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Precision |
How close your values are to each other, disregarding the true value |
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Accepted Value |
The correct value for the measurement based on reliable references |
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Experimental value |
The value being measured in the lab |
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Percent error |
A measurement of the absolute value of the error divided by the accepted value |
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Law of conservation of mass |
In any physical Change or chemical reaction, mass is conserved |
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