Scientific Theory - Explains why or how something happens; supported by evidence, Scientific Law - a statement describing what always happens under certain conditions. They are accepted to be true and universal., Hypothesis - a testable explanation about something based on prior knowledge and observations, Predict - A guess about what might happen based on observation and inference, Reliability - how consistently a method measures something, Validity - how accurately a method measures what it is intended to measure, Experimental Design - a set of procedures that are designed to test a hypothesis, Engineering Design - a series of steps to follow to come up with a solution to a problem, Independent variable - stands alone and isn't changed by the other variables, Dependent variable - is affected by the independent variable, Control variable -  kept the same in an experiment, Conclusion - a decision that is formed with evidence; summary of information,

Chemistry: Brain Booster

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