Across
- 2. construction of buildings
- 5. blooming of flowers
- 6. sneezing
- 8. burning of fuel
- 10. changes that occur at a regular interval of time
- 11. a temporary change
- 12. cooking of food
Down
- 1. bursting of balloon
- 3. a change in which heat is absorbed
- 4. ripening of fruits
- 7. curdling of milk
- 9. a change in which a new substance is formed