You have burned a paper with a burning candle. You have observed that the paper has turned into ash. What occurred in the burnt paper?

Name a property of matter that change during Physical Change.

Which image shows a chemical change.

is a gas produced by plants found in the atmosphere. It is a very reactive gas because it helps in chemical reaction.

Arrange  the jumbled word to form the sentence.

The products of a chemical change cannot be brought back to their original form.

Nature, humans, and animal activities brought changes to our environment in different ways.