Matter and Change

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Across
  1. 2. properties that can be observed and measured without changing the material's composition.
  2. 4. substances that are formed during the reaction.
  3. 5. variable shape and variable volume
  4. 7. process that releases energy into the surroundings.
  5. 9. the smallest unit of matter.
  6. 10. energy possessed by an object due to its position, composition, or condition.
  7. 12. matter that has a definite composition.
  8. 13. variable shape and fixed volume
  9. 15. a measure of the amount of matter.
  10. 16. a mixture of 2 or more visibly distinct phases. Different properties.
  11. 18. a pure substance made of only one kind of atom.
  12. 20. energy of motion
  13. 21. beginning substances that start a reaction.
  14. 22. mass cannot be created or destroyed; it remains constant.
  15. 23. process that absorbs energy from the surroundings.
  16. 24. study of the composition, structure, and properties of matter and the changes it undergoes.
Down
  1. 1. a measure of the amount of space that is occupied.
  2. 3. a mixture of only one visibly distinct phases, same properties throughout.
  3. 6. fixed shape and volume
  4. 8. a substance made from atoms of two or more elements that are chemically bonded.
  5. 11. depends on the amount of matter
  6. 14. depends on the type of matter
  7. 17. the ability of a substance to undergo a specific chemical change.
  8. 19. anything with mass that occupies space.