5th graders put dry ice into a warm bubble mixture to make BOO bubbles. The dry ice changes from a solid to a gas! What change occurred to the substance? Why?
Physical Change
Mrs. Federico puts a pound of popcorn kernels into a hot pan. They all POPPED into popcorn after! What change occurred to this substance? Why?
Physical Change
Ms. Fields wants to dye her hair from blonde to pink. What kind of change would be occurring to her hair? Why?
Chemical Change