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# Ps 1.2, 1.3, and 1.4

### Vocab Words

TermDefinition
Science The study of the natural world.
Observing Using one or more senses to gather information.
Inferring Making an inference.
Predicting Making a forecast of what will happen in the future.
Chemistry The Study of the properties of matter and how matter changes.
Physics The Study of matter, energy, motion, and forces and how they interact.
Science Inquiry Referring to the different ways the scientists study the natural world.
Hypothesis A possible answer to a scientific question or explanation for a set of observations.
Parameter A factor that can be measured in an experiment.
Manipulated Variable The variable that is expected to change because of the manipulated variable.
Responding Variable The variable that responds to the Manipulated Variable.
Controlled Experiment An investigation in which only one parameter is manipulated at a time.
Data The facts, figures, and other evidence gathered through observations.
Communicating Sharing ideas and conclusions with others through writing and speaking.
Model A picture, diagram, computer image, or other representation of an object or process.
Scientific Theory A well-tested explanation for a wide range of observations or experimental results.
Scientific Law A statement that describes what scientists expect to happen every time under a particular set of conditions.
Weight Measure of the force of gravity on an object.
Mass Measure of the amount of matter an object contains.
Length The distance from one point to another.
Estimate An approximation of a number based on reasonable assumptions.
Accuracy How close a measurement is to the true or actual value.
Reproductability How close a group of measurements are to each other.
Significant Figures Include all of the digits measured in an experiment.
Precision The exactness of a measurement.
Graph "picture" Of your data.
Horizontal Axis The graph line that runs horizontal.
Vertical Axis The graph line that runs vertical.
Origin The point where the two axis cross.
Coordinate A pair of numbers to determine a position.
Data Point The point showing the intersection.
Line of Best Fit A smooth line that shows a pattern.
Linear Graph The data points yield a straight line.
Slope The steepness of a graph line.
Nonlinear Graph The data points that don't fall on a straight line.
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Created by: ldavis617975