Across
- 2. data from observing with senses
- 5. universal solvent
- 7. measure in liters
- 10. chemistry and physics
- 13. said everything is made of atoms that are alike
- 15. negative particle
- 16. group used for comparison
- 17. charged atom with changed electrons
- 18. kilo
- 21. curve of a liquid in a container
- 25. gold foil experiment; discovered protons
- 26. 6 valence electrons, 2 orbits
- 29. doesn't react with other elements
- 31. measured in meters
- 34. liquid non-metal
- 35. said the earth is made of air, fire, earth, and water
- 36. information
- 38. testable prediction
- 40. amount of matter
- 41. variable that is measured
- 42. particles packed most closely together
- 43. factual
- 46. negatively charged ion
- 47. outermost electrons
- 49. positively charged ion
- 50. not the same throughout
- 52. change from gas to solid
- 54. change from solid to liquid
- 55. atom with different masses
Down
- 1. change from solid to gas
- 3. Group 2
- 4. solid formed during a chemical change
- 6. discovered electrons
- 8. data with numbers
- 9. neutral particle
- 11. protons plus neutrons
- 12. radioacive
- 14. liquid metal
- 16. God gave man dominion over the world
- 18. scattering of light in a colloid
- 19. temperature based on movement of particles
- 20. the same throughout
- 22. 1 valence electron, 3 orbits
- 23. change from gas to liquid
- 24. has mass and takes up space
- 27. said electrons are in orbits
- 28. change from liquid to solid
- 30. substance dissolved
- 32. variable that is changed
- 33. Group 1; most reactive
- 37. said atoms of each element are different
- 39. flask used to mix liquids
- 44. homogeneous mixture
- 45. SI unit for time
- 48. change from liquid to gas
- 51. prior experiences that can influence data
- 53. positive particle; identifies element
- 54. father of the periodic table