Unit 1: Matter

123456789101112131415161718192021222324252627282930
Across
  1. 4. the substance in which the solute dissolves
  2. 5. a measure of how easily a substance bursts into flame, through fire or combustion
  3. 7. Heat energy
  4. 9. A pure substance made of only one kind of atom
  5. 11. The temperature at which a solid becomes a liquid
  6. 14. A substance that is dissolved in a solution
  7. 15. The ability to dissolve in another substance
  8. 17. The temperature at which a liquid changes to a gas
  9. 20. Matter cannot be created or destroyed
  10. 22. anything that takes up space and has mass
  11. 23. Gas to liquid
  12. 25. Liquid to gas
  13. 27. a diagram that shows the temperature changes and changes of state of a substance as it is heated
  14. 28. A mixture that forms when one substance dissolves another
  15. 30. The temperature at which a liquid changes to a gas
Down
  1. 1. a measure of a fluid's resistance to flow
  2. 2. compactness of a substance
  3. 3. the theory that all matter is composed of particles (atoms and molecules) moving constantly in random directions
  4. 6. gas to solid
  5. 8. energy of motion
  6. 10. solid to gas
  7. 12. the process by which one or more substances change to produce one or more different substances
  8. 13. How readily a substance combines chemically with other substances
  9. 15. matter with a composition that is always the same
  10. 16. two or more elements or compounds that are physically mixed together but not chemically combined
  11. 18. substance formed by the chemical combination of two or more elements
  12. 19. The amount of energy required for the liquid at its boiling point to become a gas
  13. 21. A chemical change in which a substance combines with oxygen, as when iron oxidizes, forming rust
  14. 24. 4th state of matter (lightening/ the sun are examples)
  15. 26. amount of energy required to change a substance from the solid phase to the liquid phase
  16. 29. stored energy