Science on the Main Stage Crossword

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Across
  1. 5. a substance that only contains one type of atom
  2. 6. a chemical change between two or more molecules
  3. 8. Molecule(s) present at the end of a chemical reaction
  4. 10. a mixture of two or more substances that remain as physically separate substances.
Down
  1. 1. a substance made of chemically bonded atoms of more than one element
  2. 2. a change only to the appearance of molecules,
  3. 3. Molecule(s) present at the start of a chemical reaction
  4. 4. a a mixture of two or more substances that appears to be a single, uniform medium, with no visible separation between its components
  5. 7. the smallest unit of a chemical - everything that exists is made up of these tiny particles
  6. 9. an objects ability to dissolve