Give two features of a physical change.

What is a chemical change ? Give two examples of chemical change.

What is a physical change?

Give a reason why Addition of zinc nitrate to water is a physical change but, addition of zinc to dilute nitric acid is a chemical change.

Explain the change of heat energy in a physical change.

The ripening of fruits is a physical change.

Which of these is a physical change?

Give two features of flowers which favour pollination by insects. (a)………………………….. (b) …………………………..

Melting of ice is a physical change.

Growth of a seeding into a plant is a physical change.

Water freezing into into ice is a physical change.