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Unit 1 Vocabulary

TermDefinition
Pure Science Exploration process used to gain knowledge and predict natural occurrences
Technology Application of scientific knowledge
Life Science Deals with living things
Earth Science Investigates Earth and space
Physical Science The study of matter and energy
Scientific Method Pattern of investigation procedures (Method used to solve problems)
Observation The action or process of observing something or someone carefully in order to gain information
Hypothesis Testable statement about the relationship between two or more variables
Analysis Detailed examination of the elements or structure of something
Conclusion The end or finish of an event or process
Bias Occurs when a scientist's expectations change how the results are analyzed or the conclusions are made (being objective helps eliminate biases)
Model Idea, system, or structure that represents something to help people better understand it
Theory Explanation based on repeated observations and investigations
Scientific Law Statement about what happens in nature and that seems to be true all the time (summary of our observations)
Experiment Organized procedure for testing a hypothesis (testing the effect of one thing on another
Variable Quantity that can have more than one value (quantity that can change)
Independent Variable Variable changed to test the effect on another variable (variable you change)
Dependent Variable Variable that changes due to a change in the independent variable (measurable outcome)
Constant Factor that doesn't change
Control Standard by which test results can be compared
Measurement Need a number and a label with a unit
Standard Exact quantity that people use to compare measurements
Conversion Factor An arithmetical multiplier for converting a quantity expressed in one set of units into an equivalent expressed in another
Scientific Notation The process of objectively establishing facts through testing and experiments
Standard Notation A form of writing a given number, equation, or an expression in a form that follows certain rules
Length Straight-line distance between two points
Mass Amount of matter in an object
Volume The amount of space occupied by an object
Meniscus The curved upper surface of a liquid in a tube
Density Mass per unit volume of a material
Derived Unit A unit of measurement obtained by multiplication or division of the base units of a system without introduction of numerical factors
Temperature Measure of average kinetic energy of all particles in an object
Graph Visual display of data or information
Line Graph Good for showing trends
Bar Graph Good for comparisons
Pie/Circle Graph Good for showing parts of a whole
Curve Of Best Fit A curve that best approximates the trend on a scatter plot
Created by: 26mccava

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