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Chapter 1 Vocabulary
Term | Definition |
---|---|
Scientific Methods | The pattern of investigation procedures. |
Hypothesis | A possible explanation for a problem using what you know and what you observe. |
Experiment | Tests the effect of one thing on another using a control. |
Variable | A quantity that can have more than a single value. |
Dependent Variable | Value changes according to the changes in the other variables. |
Independent Variable | The variable changed to see how it will affect the dependent variable. |
Constant | A factor that does not change. |
Control | The standard by which the test results can be compared. |
Bias | Occurs when the scientist's expectations changes how the results are analyzed or the conclusions are made. |
Model | Represents an idea, event, or object to help people better understand it. |
Theory | An explanation of things or events based on knowledge gained from many observations and investigations. |
Scientific Law | A statement about what happens in nature and that seems to be true all the time. |
Standard | An exact quantity that people agree to use to compare measurements. |
SI | Known as the International System of Units. |
Volume | The amount of space occupied by an object. |
Matter | Anything that takes up space and has mass. |
Mass | A measurement of the quantity of matter in an object. |
Density | Mass per unit volume of a material. |
Graph | A visual display of information or data. |
Technology | Application of scientific knowledge to benefit people. |
Society | A group of people that share similar values and beliefs. |