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### 7 Cards in this Set

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 Benchmark skills basic skills, built on for future lessons. Measurement skills, labwriting, questioning results, group work, observation Who was Galileo? 1564-1642; interested in mechanics. The father of experimental science, he came up with the equation: v = a x t Describe the difference between controls and variables. Controls are set parameters of which there are generally several, while there is only one variable, the focus of the experiment. Who was Isaac newton? 1642-1727, English scientist. Nature of motion, plus optics and math. What is the first law of motion? Inertia, objects in motion tend to stay in motion unless acted on by an outside force. Ex, table cloth experiment, the dinnerware maintained its inertia. The second law of motion F = M x a measured in newtons. So a smaller mass should result in a greater acceleration. Third law of motion for every action there is an equal and opposite reaction.