peer review - A process by which the procedures and results of an experiment are evaluated by peer scientists., bias - the event that occurs when scientists' expectations effect how the results are analyzed, or how conclusions are made., model - representation of an idea, event, structure, or object that helps people better understand it., theory - An explanation of things or events based on knowledge gained from many observations, law - Is a statement about what happens in nature and seems to be true all the time., Jj tompson's atom model - model of the atom that consisted of electrons embedded in a ball of positive charge, ernest rutherford's atom model - the atom consists of a nucleus with electrons orbiting around it in defined orbits, Physics - a branch of science which studies the physical world (energy, matter and the relation between them)., The Scientific method - A pattern of investigation procedures. (common steps used to solve any problem)., Hypothesis - a possible explanation for a problem using what you know and observed., Experiments - testing the effect of one thing on another using a control, Control - the standard by which test results in an experiment can be compared to.,

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