Material World

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Across
  1. 3. when a solid mixes with a liquid to make a solution
  2. 5. it can't be undone
  3. 8. stuff that dissolves
  4. 10. change: it can be undone
Down
  1. 1. conductor: material that allows heat to travel through it
  2. 2. two or more things mixed together
  3. 4. when something can't dissolve
  4. 6. conductor: material that allows electricity to flow through it
  5. 7. heat liquid until it turns into gas
  6. 8. mixture of solid and liquid
  7. 9. when something can dissolve
  8. 11. it does the dissolving (usually liquid)