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Scientific Method
Vocab
Term | Definition |
---|---|
scientific method | a plan for gathering, organizing, and communicating information in an experiment |
questioning | asking a question that can be tested from what you've observed that is specific and focused |
hypothesis | an educated guess or prediction about the testable question that is based on research and background knowledge |
independent variable | the one factor that you deliberately change or make different in order to create an investigation; the focus of the test; what is being compared (A vs B) |
dependent variable | the output variable; the result or the change that can be measured |
controlled variables | conditions or parts of the experiment that are kept the same for each group. They are what make it a Fair test. |
observing | using the 5 senses and tools to explore properties and characteristics of objects |
qualitative observation | noticing the qualities or characteristics of objects when using your 5 senses or noticing the color, size, or shape of object |
quantitative observation | data from measurements before and during a scientific test; recorded in numbers |
data | information gathered from a simple scientific investigation. Can be qualitative or quantitative. |
measuring | using tools like rulers, pan balances, and timers to find properties and data of objects |
recording | carefully and accurately writing down the data you collect during the test; can be shown in charts, graphs, pictures, or videos |
analyzing | studying the data and results to see what the test found; figuring out if the hypothesis was supported or not; explaining findings and making comparisons |
inference | an explanation based on prior experiences; not the final explanation, it's just an educated opinion of why something happened in the test; not based on facts or proof |