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Unit 1 Vocabulary
Term | Definition |
---|---|
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 |