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. Benner wants to dye her hair from blonde to pink. What kind of change would be occurring to her hair? Why?
Chemical Change
All of the 5th graders at E. Rivers Elementary are going to have a bonfire and roast marshmallows. What change will occur to the marshmallows? Why?
Chemical Change