|Look at the picture of the candle burning. The wax of a candle burns into ash and smoke. The original materials are changing into something different. Changes that create a new material are called chemical changes.|
|Look at the picture of water boiling and changing into steam. Steam is another form of water. Heating water did not create a new material. In changing the water from a liquid to a gas, only the state of the water changed. Changes in the shape, size, or state of a material are called physical changes.|
the changes that are occuring in each picture below. Tell
changing. Then decide if the
change is a chemical change or a physical change.
|What is Changing?||What Kind of Change?|
changes you observe at home. Tell what is changing and what
of change is occurring in each.
Can some changes be both physcial and chemical?