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Scientific Method

addresses teks 3A-E

TermDefinition
Hypothesis testable answer to the problem; educated guess; prediction; can be in the form of an "if".... "then"... statement
Independent Variable variable that you are changing MIX
Dependent Variable Variable that acts in response to the independent variable DRY
Problem question you are trying to answer
Control Group Comparison group; group that doesn't receive the independent variable
Constants Variable that stay the same in an experiment
Theory tested explanation of why nature behaves in particular ways (e.g. Big Bang)
Law an observation of nature in which there is no known deviation and no assumptions (e.g. gravity always attracts)
Conclusion Using the trends and/or data to summarize how your results support or contradict your original hypothesis
Inference A conclusion based on data collected
Observation Information obtained through the five senses
Scientific Method systematic approach used to answer a question or study a situation as well as verify the work of other scientists
Valid Experiment An experiment with one independent variable, one dependent variable, all other variables held constant, and multiple trials completed
Precision the reproducibility or repeatability of measurements; given multiple trials your data consistent
Accuracy how close measured data or calculated quantity is to the actual value (standard/ correct answer)
Qualitative Data deals with descriptions; data can be observed but not measured (e.g. colors, textures, smells, tastes, appearance, etc)
Quantitative Data deals with numbers; data can be measured (e.g. length, height, area, volume, weight, speed, time, temperature, humidity, sound intensity, age, etc)
Created by: NISD Physics
 

 



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