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CH1.2 science vocab
scince vocab
Term | Definition |
---|---|
Scientific inquiry | Refers to the different ways scientists study the natural world |
Hypothesis | A possible answer to a scientific question or explanation |
Parameter | A factor that can be measured in an experiment |
Manipulated Variable | The variable parameter that is expected to change because of the manipulated variable |
Responding Variable | Manipulated variable is responding variable |
Controlled experiment | Investigation in which only one parameter is manipulated at a time |
Scientific theory | A well-tested explanation for a wide range of observation or experimental results |
Scientific law | A statement that describes what scientist expect to happen every time under a particular set of conditions |
Farameter | Factor that can be measured in a experiment |
Data | Facts,figures, and other evidence |
Communicating | Sharing ideas and conclusions with others through writing and speaking |
Models | A picture diagram, computer image or other representation of an object or process physical models like representation of solar system may look like the real thing |
Theories | Well tested explanation |
Law | Rule of nature |
Science | 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 based on the past |
SI | A system called the International System of units |
Weight | A measure of the force of gravity on you |
Mass | A measure of the amount of matter an object contains |
Volume | The amount of space an object takes up |
Meniscus | To determine the volume of the water |
Estimate | An approximation of a number based on reasonable assumption |
Accuracy | Refers to how close a measurement is to the true or actual value |
Reproducibility | Refers to how close a group of measurements are to each other |
Significant Figures | A measurement include all of the digits that have been measured exactly plus one digit whose value has been estimated |
Precision | A measure of the exactness of a measurement |
Graph | Think of the graph as a picture of the data |
Horizontal Axis | The graph line that runs left to right |
Vertical Axis | The graph that runs up and down |
Origin | The point where the two axes cross |
Coordinate | A pair of numbers used to determine the position of a point on a graph |
Data point | The point sowing the location of that intersection |
Line of best fit | A smooth line that reflects the general pattern of a graph |
Linear graph | A line graph in which the data points yield a straight line |
Slope | The steepness of the graph line |
Nonlinear graph | A line graph in which the data points do not fall along a straight line |
Chemistry | The study of the properties of matter and how matter changes |
Physic | The study of matter,energy,motion, and forces how they interact |