2 What is a Theory?A theory is a well tested explanation for a set of observations or experimental resultThink about a theory as the cause of why something happensTheories may be exceptionally complicated and complex
3 What is a Law?A law is a statement that summarizes a pattern found in natureA law is an accurate prediction about what will happenLaw describe naturally occurring eventsFor example the “law of gravity” says that if I drop an apple it will do what?FALL!!Does the law care why?? NO!!!!!
4 FAQ’s Can a theory become a law? NO, the theory is the causation piece of the puzzle while the law is the effect pieceOnce something is a law, can it be made not a law?YES, if at any point the law says something should happen and it does not, then the law has been rejected, it must be revised or completely thrown outHow does something become a theory?After many, tests, and experiments by independent researchers that all point to the same explanations
5 Preventing BiasSampling – a method of data collection that involves studying small amounts in order to learn about the larger wholeEx: 1 science class is a sample of all the science classesBias – intentional or unintentional prejudice toward a specific outcomeEx: equipment choices, hypothesis formation, prior knowledgeBlind study – the tester, the subject, or both do not know what is being testedEx: coke and pepsi testRepetition – repeating an experiment many times to see if you get the same results.