Reversible and Irreversible

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Across
  1. 6. Mixture where solute is fully dissolved.
  2. 8. Green pigment needed for photosynthesis.
  3. 11. Mixing a solid evenly into a liquid.
  4. 14. Continuous movement of water on Earth.
  5. 15. Liquid becoming solid.
  6. 17. Temperature where a solid melts.
  7. 18. Chemical reaction that produces heat and light.
  8. 19. Powdery substance left after burning.
Down
  1. 1. Gas turning into liquid.
  2. 2. Plants making food using sunlight.
  3. 3. Ability of a substance to dissolve.
  4. 4. Liquid changing into gas.
  5. 5. Liquid that dissolves another substance.
  6. 7. Temperature where a liquid freezes.
  7. 9. Visible part of a fire.
  8. 10. Gradual destruction of metal.
  9. 12. Substance being dissolved.
  10. 13. Solid turning to liquid when heated.
  11. 16. Iron reacting with oxygen and water.
  12. 17. Combination of two or more substances.