Changes around us

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Across
  1. 7. What leaves the balloon to make is flat reversable change)
  2. 8. Burning of paper produces this.
  3. 11. ___________changes that take place in a short duration
  4. 12. The Process where liquid turns to solid
  5. 13. Change of seed to a plant
  6. 14. When a woolen yarn is knitted to get a sweater, the change type is?
  7. 16. heat is a form of _____
Down
  1. 1. Cutting of trees in the forest is called?
  2. 2. process where sugar gets mixed with milk
  3. 3. Rusting of iron is what type of change?
  4. 4. Ice turns to water, what is this type of change?
  5. 5. Changes are of 2 types, reversible and ?
  6. 6. The process of turning vapour into liquid
  7. 9. The process of turning from liquid into vapour
  8. 10. what is used to fix rim over a wooden wheel
  9. 15. ________changes take place over long duration