Question 1: A change in state
Question 2: Are two terms for the same thing
Question 3:
Question 4: Heat is added to it
Question 5: Freezing point
Question 6:
My cereal box says "net wait g (500)" so it's probably Grams
Answer:
The air particles are sped up and they are more spaced apart.
Explanation:
This is because when things are heated up the particles speed up and flow more freely causing them to be space apart.