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chapter 1 vocabulary
THE FINAL VOCABULARY STACK.
Term | Definition |
---|---|
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. |