| Question | Answer |
| What kind of change happens when water freezes? | Reversible
|
What kind of change happens when chocolate melts? | Reversible
| What is the process that occurs when water freezes? | Solidify
| What is the process that occurs when heat is applied to water? | Evaporation
| How are clouds formed? | Condensation
| What kind of change happens when paper is burned? | Irreversible
| What happens to glow sticks to make them glow? | Chemical reaction
| What kind of change happens when egg is cooked? | Irreversible
| What happens to water in the sea when the sun heats it up? | It evaporates. |
