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chapter 1 vocabulary


Science The study of the natural world through observations and logical reasonings; leads to a body of knowledge.
Observing The process of using one or more senses to gather information.
Inferring The process of making an inference, an interpretation based on observations and prior knowledge.
Predicting The process of forecasting what will happen in the future based on past experience or evidence.
Chemistry The study of the properties of matter and how matter changes.
Physics The study matter, energy, and forces, and how they interact.
Scientific Inquiry The ongoing process of discovery in science.
Hypothesis A possible explanation for a set of observations or answer to a scientific question.
Parameter A factor that can be measured in an experiment.
Manipulated Variable The one variable parameter that a scientist changes in an experiment.
Responding Variable The variable parameter that changes as a result of changes to the manipulated, or independent, variable in an experiment.
Controlled Experiment An experiment in which only one parameter is manipulated at a time.
Data Facts, figures, and other evidence gathered through observations.
Communicating The process of sharing ideas through writing and speaking.
Model A 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 specific set of conditions.
SI International System of Units based on 10s.
Length Distance from one point to another.
Weight Force of gravity on an object
Mass Amount of matter an object contains.
Volume Amount of space object takes up.
Meniscus Curved top of Graduated Cylinder.
Estimation Approximate of a number based on reasonable assumption.
Accuracy How close a measurement is to the true value.
Reproducibility How close a group of measurements are to e/o.
Significant Figures Includes all digits plus one at the end that is an estimate.
Precision Exactness of a measurement.
Graph A picture of information from a data table.
Horizontal Axis Line on graph that runs left to right.
Vertical Axis Line on graph that runs up and down.
Origin Points where axes meet.
Coordinate Pair of numbers used to determine position of a point on a graph.
Data Point Point showing location
Line of Best Fit Smooth line that reflects pattern of graph.
Linear Graph A graph in which the data yields a line.
Slope Steepness of a graph; ratio of rise to run.
Non- Linear Graph Graph in which points don't fall in a straight line.
Created by: sgust