PRESENTATION OUTLINE
Chemical and physical changes chemical
Production of light
Production of light when something is affected by some kind of light
Production of gas
It makes a kind of odor and it bubbles
Production of precipitate
Is when you mix something together it leaves you a solid substance at the bottom
Color change is when a substance and another substance make another color
Change in temperature is when a substance is cold and then another substance is added and and makes it hotter
The difference between chemical and physical is that it can be fixed and a chemical can't be fixed
