1. Chapter 2&4 Jason McCoy

2. Chapter 4 key words O Distance multiplier O Drilling machine O Force multiplier O Grinding and sanding machines O Inclined plane O Lever O Machine tool O Mechanism O Miling and sawing machines O Planing and shaping machines O Pulley O Screw O Shearing machine O Simple machine O Tool O Turning machine O Wedge O Wheel and axle

3. distance multiplier O def-a simple machine such as lever, that can change the amount of movement applied to it

4. Drilling machine O Def-a machine tool with a rotating drill feeding into the work piece and producing a hole

5. Force multiplier O Def-the quality of a simple machine it capible of exerting more force to a load than is applied to the simple machine

6. Grinding and sanding machine O Machines tools that use absersive to cut materials for the work piece

7. lever O Def- a mechanism the force applied to it. A lever consists of a long arm to witch the force can be applied

8. Machine tool O Def- a machine that’s makes other machines. Machines tools change raw materials into parts

9. Mechanism O Def-a basic device that controls or adds power to a tool

10. Miling and sawing machines O Def- a place that where the information is stored on the computer

11. Planing and shaping machines O Def- machines that cut metal using a single point of a tool.

12. Pulley O Def- a small wheel with a grooved rim. A pulley can also be a wheel

13. Screw O Def- a simple machine in which a inclined plane is wrapped around a shift. A screw is a force multipier used to fasten parts.

14. Shearing machine O Def-a divice that slices materials into parts by using opposed edges to cut the work piece.

15. Simple machine O Def- a basic device controlling or adding power to a tool

16. tool O Def- a manufactured device designed to preformed specific tasks

17. Turning machine O Def- a machine tool that uses a stationary tool to cut a material rotating around an axis

18. wedge O Def- a simple machine that combines two inclined planes

19. Wheel and axle O Def-one of the six most simple. This machine is a type of lever.

20. Chapter 2 key words O Closed loop system O Desired output O Energy O Feedback O Feedback system O Goal O Input O Intended output O Knowledge O Machine O Material O Natural system O Open loop system O Output O Pollution‘ O Process O System O Technical system O Time O Undesirable output

21. Closed loop system O Def- a control system that uses feedback and is a built in part of the device

22. Desired output O Def-something produced that had been hoped for

23. energy O Def-The ability to do work, energy comes from inexaustable

24. feedback O Def-The process of giving back data on how well a system is operating

25. Feedback system O Def-A control system

26. goal O Def-a reason or purpose for a system

27. input O Def- a recourse a system use to meet the identified goal.

28. intended input O Def- the reason for which a system was a designed these outputs are produced in response to human needs and wants

29. Knowledge O Def- specific information known about various subjects

30. Machine O Def- a device or mechanism that changes the amount,speed,direction

31. material O Def-a substance from whitch useful products or items are made

32. Natural system O Everything that appers in nature without human interference