States of Matter

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Across
  1. 1. Change A change in the form or appearance of a substance, but not its chemical identity, like melting, evaporating or freezing.
  2. 7. A pure substance made of only one type of atom, like gold or oxygen.
  3. 8. A combination of two or more elements or compounds that are not chemically combined with one another.
  4. 10. A substance made of two or more different elements that are chemically combined, like salt.
  5. 11. A mixture that looks the same throughout, like salt dissolved in water.
Down
  1. 2. Reaction A process where elements and compounds change into new elements and compounds, like baking a cake.
  2. 3. A mixture where the different components can be seen and are not evenly distributed, like a fruit salad.
  3. 4. A group of two or more atoms joined together, like water (H₂O).
  4. 5. A chart that shows all known elements, organised by their properties.
  5. 6. The smallest unit of matter that makes up everything around us.
  6. 9. The connection/attraction between atoms in a molecule or compound.