Am I A Material Person 1

123456789101112131415161718192021
Across
  1. 5. A metal good for drinks cans and aeroplanes
  2. 8. A metal good for water pipes and electrical wires
  3. 9. The stuff that something is dissolved in
  4. 10. A mixture of metals
  5. 11. A metal good for bridges, manholes and gates
  6. 12. State of matter with the most energetic particles
  7. 13. Process where a gas becomes a liquid
  8. 14. Process where particles spread out
  9. 17. The stuff that is dissolved in a solvent
  10. 19. pH7
  11. 21. Anything with a pH less than 7
Down
  1. 1. Process of separating an insoluble substance (sand) from a liquid (water)
  2. 2. Process to release heat energy from fuel
  3. 3. Process where a liquid becomes a gas
  4. 4. A separation process to collect a liquid from an unwanted solution
  5. 6. Process where a solid becomes a liquid
  6. 7. State of matter where the particles are arranged neatly and tightly packed together
  7. 15. Process where a liquid becomes a solid
  8. 16. A combination of a solute and a solvent
  9. 18. State of matter where the particles flow easily over one another
  10. 20. Anything with a pH greater than 7