Slide 1 Go to section Pretest 1.How much work is done when a weightlifter holds a barbell motionless over his head? 2.Calculate the work done on a 2-N mass when it is lifted…

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Rube Goldberg Project What is a Rube Goldberg Device? Rube Goldberg drew contraptions that make simple tasks into difficult and complicated ones. Examples http://autorepair.about.com/library/multimedia/hhonda-ad-300k.swf…

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A Framework for K-12 Science Education Changes, Challenges, and ? Next Generation Science Standards A Focus on Scientific and Engineering Practices Summary created by: Fred…