Breaking a glass tumbler is an example of physical but reversible change.

Identify the following as a chemical change or a physical change.

Breaking a glass tumbler.

Identify the following as a chemical change or a physical change.

Photosynthesis.

Identify the following as a chemical change or a physical change.

Rusting of a pan.

Identify the following as a chemical change or a physical change.

Melting butter on toast.

Identify the following as a chemical change or a physical change.

Separating gravel from rice.

Identify the following as a chemical change or a physical change.

Bleaching hair

Identify the following as a chemical change or a physical change.

Burning cracker.