Across
- 4. causes mag. poles to attract or repel
- 6. a push or pull; necessary for motion
- 8. temperature that turns solid to liquid
- 9. driven by hot expanding gases & combustion
- 12. matter with NO shape but takes up space
- 15. burning fuel outside engine (steam)
- 18. internal combustion engine by combustion
- 22. matter with No shape and requires No space
- 23. stored energy
- 26. simplest gas turbine engine
- 27. energy of motion
- 28. temperature that turns liquid to solid
Down
- 1. temperature that turns gas to liquid
- 2. guided military rocket
- 3. matter with shape and takes up amount of space
- 5. device converts energy into useful work
- 7. power by fuel burning inside engine
- 10. temperature that turns liquid to gas
- 11. molecules in gas spread out in surroundings
- 13. amount of matter in an object
- 14. gasoline engine with moving pistons
- 16. ability to do work
- 17. closely packed together
- 19. burned to supply heat or power
- 20. force of attraction that exists between objects
- 21. force that resists motion
- 24. takes up space and has mass
- 25. result of force moving an object