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PS chapter 1
vocab
Term | Definition |
---|---|
Scientific Method | An Organized set of investigations procedures is called a scientific method. |
Hypothesis | is a possible explanation for a problem using what you know and what you observe. |
Experiment | tests the effects of one thing on another using controlled conditions. |
Variable | is a quantity that can have more than a single value. |
Dependent Variable | the amount of growth in the experiment. |
Independent Variable | the variable you change to see how it will affect the dependent variable is called an independent variable. |
Constant | A factor that does not change when other variables change. |
Control | Is a standard by which the test results can be compared. |
Bias | Occurs when what the scientist expects changes how the results are viewed. |
Model | represents an idea, event or object to help people better understand it. |
Theory | is an explanation of things or events based on knowledge gained from many observations and investigations. |
scientific Law | is a statement about what happens in nature and that seems to be true all the time. |
Technology | is the application of science to help people. |