Activity No#3: Proof of Evidence Direction: Identify the evidence of chemical change manifested in the following chemical changes: CHEMICAL CHANGE EVIDENCE 1. lightning of fireworks 2. curdling of milk 3. heating a sugar 4. rotting of eggs 5. rusting of nails 6. Applying hydrogen peroxide on an open wound 7.photosynthesis 8. tarnishing of silverwares 9. burning a candle 10. drying of leaves 11. spoilage of food 12. adding lemon in milk 13. bleaching of clothes 14. ripening of fruits 15. wood burns