Physical and chemical
By: Sarina bhattacharya
1. Vinegar and baking soda
2. Fire to ash
Vinegar and baking soda
This is a chemical change because when you mix the two together it creates bubbles.
Fire to ash
Fire to ash is a chemical change because you can't change ash back into fire. Ash is not he same thing as fire.
1. Chocolate bar
2. Melting a ice cube
3. Chopped wood
This is a physical change because when chocolate is melted it is still chocolate just doesn't look the same.
This is a physical change because when a nice cube melts it is still water/ice just doesn't look the same as when it was frozen.
This is a physical change because after you chop the wood it is still wood it just isn't one whole piece of wood anymore.