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Welcome to the MathScience Innovation Center LEGO Machines and Energy and Energy with Mrs. Kappus

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SIMPLE MACHINES

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b Compound Machine is a machine made of two or more simple machines. a machine made of two or more simple machines.

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Remote Controlled MACHINES

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SIMPLE MACHINES b Work = Force X Distance

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SIMPLE MACHINES b Energy is the ability to do work.is the ability to do work.

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LAPTOP COMPUTER b The Laptop Computer runs software: ROBOLABROBOLAB

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LAPTOP COMPUTER b The mouse is used to move ____________________

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LAPTOP COMPUTER b The mouse is used to move The CURSORThe CURSOR

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LAPTOP COMPUTER A Picture of an object on a computer is _____ an ICON

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REMOTE CONTROL DEVICE b The Gray Cube is a _____

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REMOTE CONTROL DEVICE b The Gray Cube is a. b The Gray Cube is a MOTOR. b The motor uses what type of energy to move? ELECTRICITY

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ASSEMBLE REMOTE CONTROL CAR b Mount Motor b Gears

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REMOTE CONTROL DEVICE b The Yellow BRICK is an RCX Brick which contains a computer. b The Brick uses what type of energy to run? ELECTRICITY b The RCX Bricks will control the Car when we are done. we are done.

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ASSEMBLE REMOTE CONTROL CAR b Mount Motor b Gears b Mount RCX Brick b Test Car with Program #1

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RECAP b WORK = Force x Distance b ENERGY is the ability to do work b Energy can be potential or kinetic b The Brick will release the same energy every time doing the same work every timedoing the same work every time b Will the car always go the same distance?

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Experiment b Begin with a question. b Will the car travel farther on the track or on the carpet surface?

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EXPERIMENT b Hypothesis

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EXPERIMENT b Hypothesis-An educated guess or a prediction

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EXPERIMENT b Hypothesis b The car will travel farther on the ________.

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EXPERIMENT b Hypothesis b Constant

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EXPERIMENT Constant-parts of the experiment that stay the sameConstant-parts of the experiment that stay the same

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EXPERIMENT b Hypothesis b Constant b Variable

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EXPERIMENT Variable-the factors in an experiment that change.Variable-the factors in an experiment that change.

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Mechanical Advantage Diagram used with permission from: EngQuest2010 and Engineers Australia

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Towing the load without a simple machine

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Towing the load with a pulley

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Force investigation

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skateboard