Physical Change - A change is the size, shape or phase of matter.
Chemical change - A change that forms a new substance. Signs of chemical change include: change of color, release of heat or gas, and a change of temperature.
Practice it here --> Physical/Chemical change
Food undergoes physical and chemical changes in our digestive system. Play the animation here to watch the path of digestion in action! (You'll need your headphones for this! :)
