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chapter 1
Term | Definition |
---|---|
Hypothesis | hypothesis is a statement of what you think will happen during an investigation |
Observation | 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. |
Control Group | a control group is that does NOT get the special treatment. |
Procedures | a procedure is a step -by- step instructions for completing a task. |
Data | data is information from which a conclusion can be drawn |
Precision | precision is the ability to consistently repeat a measurement. |
Accuracy | Accuracy is the ability to make a measurement that is as close to the actual value as possible |
Evidence | evidence are observations that make you believe something is true. |
Inference | an inference is a conclusion based on observations. |
Dependent variable | a dependent variable it is what gets measured. gives you data. changes when an independent variable. |
Independent variable | an independent variable is one that you can control. |
Model | models are objects or ideas that represent. |
Survey | questions that are answered by people. |
Sampling | examing random individuals from a population. |
Experimental group h | the group that gets the special treatment. |