Homework help with chemistry...please.

10.) List 4 observations that suggest a chemical change is occurring.

I will admit that I'm not very good at chemical changes kind of thing.

lol, the main signs of a chemical change(not physical) are:

Color change
Formation of precipitate (a solid)
temperature change
formation of a gas
and i forgot the last one, but that is four i guess

1) release of gas
2) BUBBLES :D or fizzing
3) new substance is created...
4) smell changee.... (odor)
5) change of temperature