Make a list of at least six changes and classify them as periodic and non-periodic changes.

Classify the following changes as a physical or a chemical change:

Burning of a magnesium ribbon, dissolving sugar in water, burning sugar, melting of butter, breaking of a glass bottle, clothes being ironed, wool being knitted into a sweater, souring of milk, and drying of wet hair.

State whether the following statement is true or false. If false, rewrite the correct form of statement.
A matchstick burns to produce smoke and some gases. It is an example of a physical change.