Which of the following is not a chemical change characteristic?

What kind of change is the explosion of fireworks?

Growth of plants is ________.

When ice is heated, it changes to water and water on further heating gets converted to steam. What happens when steam is condensed?

Pooja took a candle in a vessel and heated the vessel. Even though the candle did not bum, it changed its shape and state. What kind of change is this?

Any change that can be reversed or are a temporary conversion are known as