Across
- 2. vertical columns of the periodic table
- 4. how close measurement is to true value
- 5. highest part of a wave
- 7. smallest unit of light
- 9. measure of disorder in a system
- 11. horizontal rows of the periodic table
- 12. amount of physical space occupied
- 14. matter & energy can flow in & out
- 16. atom with a positive or negative charge
- 18. atom with a positive charge
- 19. limitations of a design
- 20. used to meausre air pressure
Down
- 1. heat transfer by movement within fluids
- 3. # of waves passing through a single point in 1 sec
- 6. ability of an atom to undergo a chemical reaction
- 8. the lowest part of a wave
- 9. movement of gas through a small opening
- 10. g/ml OR g/cm^3
- 13. keep the system working by managing inputs/outputs
- 15. have metal and non-metal characteristics
- 17. particles are spread apart