Solid, liquid, gas ^^
For example, if you have an ice cube you have a solid piece of matter, but if you heat it up it melts and then it's liquid, and after getting hot enough it evaporates and even though you can't see it it's still there, but as a gas.
By the way, what's this have to do with Spanish?
Answer:
My familia y yo fuimos de vacaciones, pero "hacía" mucho calor.
My familia y yo fuimos de vacaciones, pero el tiempo "estaba"muy caluroso.
Explanation:
You can use any of thw options I wrote for you.
I'm mexican so I know this stuff.
Answer:
Melissa weighs cincuenta y cinco kilos
Explanation:
Happy to help :)