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What we did in class today: Thursday Sept. 6 th , 2012

What we did in class today: Thursday Sept. 6 th , 2012. Metrics entry task Lab expectations Writing a problem and hypothesis Begin Falling Objects Experiment. Triple-beam balance. grams. Safety + Clean-up Expectations. Writing Your Problem.

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What we did in class today: Thursday Sept. 6 th , 2012

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  1. What we did in class today: Thursday Sept. 6th, 2012 Metrics entry task Lab expectations Writing a problem and hypothesis Begin Falling Objects Experiment

  2. Triple-beam balance grams

  3. Safety + Clean-up Expectations

  4. Writing Your Problem • Testable questions are those that can be answered through hands-on investigation . • The key difference between a general interest science question and a testable question is that testable questions are always about changing one thing to see what the effect is on another thing. Don’t write questions so that they can be answered with a yes/no. Start questions with How?, What?, Why? http://school.discoveryeducation.com/sciencefaircentral/ Getting-Started/Investigation.html

  5. Hypothesis If………………………………affects ……………………… then ……………………………………………………………… because………………………………………………… (independent variable/ what you’re changing) (dependent variable/ what you’re measuring) (prediction of what will happen (scientific support from research-theories/laws) If the mass of the ball affects the time it takes to fall, then the ball with the greater mass will fall faster because??????

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