This is about change in substances.
Physical Change took place.
- There are two major changes in chemistry. They are;
- Physical changes: These are changes where no new substances are formed but only undergoes change of state.
- Chemical changes: These are changes where new substances are formed.
- Now, for crayon and candle to be cooled, it means they were heated.
Now when we heat either crayon or candle, we initially see it melting with a liquid like substance flowing down. Thereafter, when cooled, they become solid again.
- In all these, no new substance was formed as they just only changed from solid to liquid and back to solid.
This is what physical change is all about.
Read more at; brainly.com/question/19046658
