Melting vs Freezing — Difference (with Table)
Melting vs Freezing compared side by side — a 6-row comparison table and 4 key points. Class 9-10 Physics, free and no sign-up.
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TL;DR: Melting vs Freezing compared side by side — a 6-row comparison table and 4 key points. Class 9-10 Physics, free and no sign-up.
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The main difference between Melting and Freezing: Melting is the process of converting solid into liquid by supplying heat energy at the melting point. Freezing is the reverse process where liquid converts
Melting vs Freezing — Comparison Table
| Basis | Melting | Freezing |
|---|---|---|
| Process Direction | Solid changes to liquid state | Liquid changes to solid state |
| Temperature Requirement | Occurs at the melting point with heat addition | Occurs at the freezing point with heat removal |
| Heat Exchange | Endothermic; absorbs latent heat of fusion | Exothermic; releases latent heat of fusion |
| Density Change | Most solids decrease in density when melting | Most liquids increase in density when freezing |
| Molecular Arrangement | Fixed arrangement becomes random | Random arrangement becomes fixed |
| Example | Ice turning to water at 0 degrees Celsius | Water turning to ice at 0 degrees Celsius |
Key Points
- Melting and freezing are reverse processes occurring at the same temperature
- Latent heat of fusion is the energy required for both processes
- Both are physical changes, not chemical changes
- These processes are essential for maintaining Earth's water distribution