Materials Science Crossword

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Across
  1. 4. If a material absorbs a lot of water, it is an ............... material.
  2. 6. Mixing bicarbonate of soda with vinegar is a .............reaction and gas is produced.
  3. 9. When water turns into water vapour it.........
  4. 11. A chemical reaction is ................ - you can't get the original materials back.
  5. 12. Small grains of sugar dissolve .......... than large grains of sugar.
Down
  1. 1. This kind of reaction is reversible.
  2. 2. Salt and sugar are ...............in water.
  3. 3. This material can be rigid or flexible.
  4. 5. Sugar .............. in water.
  5. 6. Burning is a ..........reaction.
  6. 7. water vapour is a kind of ......
  7. 8. When you only change one variable an experiment is ......
  8. 10. When ice turns to water it ......