Question

activity on matter can change its state ​

Answer 1

here your answer dear

matter .....matter is a drscribe the occupies ,space possess and masson the resistance and on the strees force on it..

change of state

change of a substance of the physical change on the own is called Change of state

Answer 2

Take an ice cube...and as we khow that

ice cube found in solid state..put it under sunlight it will melt and take a new state this state called liquid state..

After a lot of time under sunlight this state will vanished and liquid convert into vapour.....so through this activity we can proof that matter change its state....

SOLID ====LIQUID====VAPOUR