scientific method - a process to produce reliable results to answer a scientific question, observation - gathering information from one or more of your 5 senses, qualitative data - observations based on characteristics and the 5 senses, quantitative data - observations based on numbers and measurements, inference - a logical guess based on your background knowledge, hypothesis - a statement that makes an educated guess to answer a scientific question, controlled experiment - an experiment in which only one variable is changed, experimental group - the group that will receive the independent variable, control group - the group that will NOT receive the independent variable; used for comparison, independent variable - the one variable chosen to change in an experiment, dependent variable - the variable that will be measured in an experiment, constants - variables that are kept the same across all groups, conclusion - a statement that summarizes the results of an experiment, based on observations and measurements, scientific theory - an explanation for why things work or how things happen, scientific law - a statement that describes something in nature that appears to always be true,

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