Across
- 3. ready to release energy
- 5. the force that causes the movement of an object
- 7. breathing, digestion, circulation
- 9. simple machine found in see-saws and shovels
- 10. system relying on parts to accomplish a goal
- 12. cooked food is an example of this in a restaurant system
- 13. simple machine designed to separate objects
- 14. simple machine designed to be rotated into place
- 15. speed in a direction
- 16. lungs, heart, stomach, muscles
- 18. unit used to measure energy
- 19. concerned about the waste of materials, time, and or energy
- 22. simple machine that assists wheelchair users
- 24. the actual force caused by gravity on an object
- 25. the ability to do work
Down
- 1. makes work easier by changing force (increase, decrease, change direction)
- 2. benefit gained from using a machine, more output than input
- 4. gasoline is an example of this in a traditional car system
- 5. simple machine vital to cars
- 6. energy of a system's components, calculated by multiplying mass by velocity
- 8. unit used to measure force
- 11. system within a system, the office is an example of this in a larger school system
- 17. system relying on cooperation between living things to accomplish a goal
- 20. when materials slide past one another, always present with moving parts
- 21. amount of material in an object, measured in grams
- 23. simple machine used in wells and cranes