Across
- 2. pure single kind of atom
- 5. most water on earth
- 6. Caused by the strong attraction between water molecules
- 9. Water from a storm
- 10. The water from drains in the home
- 12. The number of protons and nuetrons in an atom
- 15. Weathering caused by wind, water, and force
- 18. Holds atoms together
- 20. Two or more substances mixed together
- 21. When 2 or more substances change eachother
- 22. not lose, organized atoms
- 23. Very lose atoms
- 27. The point at which something melts
- 29. a bonding agent
- 30. Water deep in the ground
- 32. Neutral charge
- 33. How tightly packed atoms/molecules are packed
- 35. Universal solvent
- 37. A kind of surface that does not allow water to get through
- 38. around 99% of water
- 42. A system of water in an area
- 43. Lose atoms
- 45. center of an atom
- 46. Made of atoms
- 47. a single element
Down
- 1. when an liquid is exposed to a temperature low enough to turn it solid
- 3. makes up clouds, water after it evaporates
- 4. Needs or gives off heat. Cannot be undone. Smell.
- 7. The point at which something freezes
- 8. made up of different atoms
- 11. 2 hydrogen 1 oxygen
- 13. The bond between two elements
- 14. When water breaks a part a rock by freezing
- 16. Negative charge
- 17. Weathering caused by chemicals
- 19. when water is turned into a gas
- 24. Two or more substances mixed together that cannot be easily separated
- 25. Medium body of water.
- 26. Purifies water
- 28. Frozen water
- 31. Expands when frozen
- 34. Dissolves things
- 36. Dissolves in solvent
- 39. The quality of water
- 40. A bond between things
- 41. Positive charge
- 44. Large body of salt water
- 48. When a solid exposed to a temperature high enough to turn it liquid