Science

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Across
  1. 8. Allows objects to float on the surface of a liquid.
  2. 11. Have electrical conductivity, high thermal conductivity, malleability, and metallic luster.
  3. 14. Made up of positively and negatively charged ions held together by ionic bonds.
  4. 19. gas into liquid.
  5. 20. Have a regular arrangement of atoms that form a crystal lattice.
  6. 21. Particles are close together but move freely.
  7. 23. liquid to gas.
  8. 25. (1766-1844) was an English chemist, physicist, and meteorologist, best known for introducing the atomic theory into chemistry.
  9. 26. weakest type of solid.
  10. 28. is a measure of how much a liquid resists flowing freely.
  11. 29. the tendency of surfaces to stick together, or the abnormal union of tissues.
Down
  1. 1. This solid is shapeless and has a disordered structure at the microscopic level.
  2. 2. Fourth state of matter
  3. 3. a change from one state (solid or liquid or gas) to another without a change in chemical composition. synonyms: phase change, phase transition, state change.
  4. 4. Particles are widely spaced apart and move quickly.
  5. 5. The electrons of iron are transferred to the oxygen atom.
  6. 6. changes the color of the petals of a flower.
  7. 7. Also called network solids, are solids that are held together by covalent bonds.
  8. 9. solid to gas.
  9. 10. Atoms that merge at super low temperatures to form a single object that behaves like a wave.
  10. 12. The temperature at which a liquid will convert to a gas or heating water.
  11. 13. is made up of particles and can only be seen through microscope.
  12. 15. liquid to solid.
  13. 16. A state of matter in which atoms or subatomic particles are cooled to near absolute.
  14. 17. Particles are tightly packed together.
  15. 18. gas to solid.
  16. 20. a change of materials into another, new materials with different properties and one or more than one new substances are formed.
  17. 22. solid to liquid.
  18. 24. property of a liquid to easily vaporize at normal temperatures.
  19. 27. is the attraction between the molecules or atoms of the same substance.