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

2. SIMPLE MACHINES

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

5. Remote Controlled MACHINES

6. SIMPLE MACHINES b Work = Force X Distance

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

9. LAPTOP COMPUTER b The Laptop Computer runs software: ROBOLABROBOLAB

10. LAPTOP COMPUTER b The mouse is used to move ____________________

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

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

13. REMOTE CONTROL DEVICE b The Gray Cube is a _____

14. 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

15. ASSEMBLE REMOTE CONTROL CAR b Mount Motor b Gears

16. 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.

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

18. 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?

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

20. EXPERIMENT b Hypothesis

21. EXPERIMENT b Hypothesis-An educated guess or a prediction

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

23. EXPERIMENT b Hypothesis b Constant

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

25. EXPERIMENT b Hypothesis b Constant b Variable

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

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

30. Towing the load without a simple machine

32. Towing the load with a pulley

33. Force investigation

35. skateboard