How does matter change when it melts?

Related questions

• Can matter be destroyed?
• What are the properties of matter?
• How does matter differ from weight?
• How does matter affect sound?
• How can I calculate the amount of matter in a given volume?
• How does matter change from one state to another?
• How can matter be classified?
• What is matter?
• What happens when matter and antimatter collide?
• What is the difference between mass and substance?