The way substances change from one state to another depends on a few important things:

1. Temperature:

   • When the temperature gets higher, substances usually turn into gases.
   • But when it's cooler, substances are more likely to be solids or liquids.
   • These changes can be tough for students to understand.

2. Pressure:

   • When pressure increases, it can push gases into becoming liquids or even solids.
   • This can be confusing because it shows how the different states of matter relate to each other.
   • Figuring this out can feel difficult.

3. Intermolecular Forces:

   • Different substances have different forces that hold their particles together, like hydrogen bonds.
   • These forces can make it hard to guess what state a substance will be in.
   • Learning about these forces isn't always simple.

Solutions:

• Getting involved in hands-on experiments can help make these ideas clearer.
• Using pictures and simulations can make it easier to understand these tricky concepts.