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Related Flashcards
Cards In This Set
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Analyze
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To separate into basic parts; to evaluate results of an experiment.
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Closed system
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A system in which matter may not enter or leave.
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Conclusion
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A statement of the findings of an experiment that is supported by scientific evidence (data).
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Controlled variable
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The conditions that are kept the same from trial to trial in a scientific investigation.
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Responding variable
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The factor of a system being investigated that changes in response to the independent (manipulated) variable.
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Hypothesis
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A testable prediction for a specific problem or question based on what has already been learned.
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Independent (maniuplated) variable
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The factor of a system or experiment that is changed to determine its relationship to the dependent (responding) variable.
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Model
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A simplified representation of a system. Useful for studying systems that are too big, too small, or too dangerous to study directly.
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Subsystem
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A smaller group of interrelated parts within a larger system.
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System
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A group of interrelated parts or conditions through which matter, energy, and information flow.
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Boiling point
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The temperature at which a liquid changes state and becomes a gas.
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Characteristic Propertiy
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A distinguishable trait, quality, or property.
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Chemical reaction
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A process that results in the conversion of chemical substances (reactants) to other substances (products). Products generally have different chemical properties from the reactants.
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Condensation
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The change of the physical state of matter from a gas to a liquid.
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Gas
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A state of matter consisting of a collection of particles without a definite shape or volume.
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