- Before: Liquid epoxy glue
- After: Hardened epoxy glue
Evidence of change:
- Change in physical state from liquid to solid
- Change in properties from runny and sticky to hard and solid
Overall, the evidence suggests that the epoxy glue has undergone a chemical change as it has hardened from its original liquid state.
Epoxy glue hardens
Evidence that substances changed (or not)
1 answer