Across
- 4. Energy in motion.
- 8. atoms of the same element can have different number of neutrons
- 11. Unit of work.
- 12. atoms can gain or lose valence electrons.
- 13. The speed of molecules.
- 19. neutrally charged particle in an atom
- 20. a positively charged particle in the atom
- 22. The spectrum of how light travels.
- 25. Longest wavelength
- 27. Speed divided by time.
- 32. Measures the amount of space something takes up.
- 33. a number of protons plus the number of neutrons
- 35. group of electrons that are located the farthest.
- 39. negatively charged particles in the atom
- 40. Detected as heat.
- 41. How we see in.
- 42. Unit of resistance
Down
- 1. can be used to describe an unknown object.
- 2. How much matter or mass there is in a given amount of space
- 3. sound that goes around.
- 5. the ability of a substance to be rolled into a sheet
- 6. Distance traveled per unit of time.
- 7. the number of protons a element has
- 9. Disturbance that travels through a medium.
- 10. energy that is stored
- 14. transmit information by going through substances.
- 15. smallest part of an object
- 16. a substance consisting of 2 or more different elements
- 17. Created the laws of physics.
- 18. short wavelengths that have high energy.
- 21. The ability to do work.
- 23. 2 or more atoms that join together.
- 24. Not specific to describe a matter
- 26. Lets you see your bones
- 28. the ability to turn a material into a wire
- 29. The speed of an object in a specific direction.
- 30. Force of attraction.
- 31. Heat energy.
- 34. How easily something a substances can scratch other materials.
- 36. degree to which substance is shiny.
- 37. An object's resistance t a change in motion.
- 38. shortest wavelength with most energy