Science Building Blocks

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Across
  1. 3. contraction is a decrease in volume as temperature decreases.
  2. 5. matter with a composition that is always the same.
  3. 7. _____ formula is a group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound.
  4. 9. matter that has definite volume but not shape
  5. 10. electrically charged gas
Down
  1. 1. a substance made of only one type of atom.
  2. 2. a substance that occurs when atoms of two or more different elements bond (join together) together.
  3. 4. expansion occurs as an increase in volume as temperature increases.
  4. 6. matter that has definite volume and shape
  5. 8. matter that has no definite shape or volume
  6. 11. a small particle that is a building black of matter.