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chapter 1
Term | Definition |
---|---|
Hypothesis | A hypothesis is a statement of what you think will happen during an investigation. |
Observation | An observation is something you find out about objects, events, or living things by using your senses. |
Experiment | An experiment is the use of scientific methods to test your hypothesis. |
Variable | A variable is something that can change in a test. |
Independent variable | A independent variable is one that you can control. |
Dependent variable | A dependent variable changes when an independent variable changes. |
Control group | A control group is a standard against which change is measured. |
Data | Data are information from which a conclusion can be drawn or a prediction can be made. |
Precision | Precision is the ability to consistently repeat a measurement. |
Accuracy | Accuracy is the ability to make a measurement. |
Inference | An inference is a conclusion based on observations. |
Procedures | Procedures are step by step instructions for completing a task. |
Evidence | Evidence are observations that make you belive that something is true. |