everyone has many teachers during the school time. but there is one which is best among them always staying with you. that is interest.
in terest can be a very good teacher. it guides you to d is cover things you are interested in and explore the mysteries of some amazing thing. when your teacher asks you to learn something, you are forced to, not active. but if you are interested in something, you will be glad to study it.
you will search the in ternet to find information or ask someone who knows something