How to write preface and acknowledgements for school projects!! Please tell

Dear Student,
Given below are points that will help you to write an acknowledgement and a preface.

Acknowledgement

-keep the acknowledgement short and crisp

-gratefulness expressed to teacher incharge, principal, friends and family who helped, any experts who guided

-thanks for giving me the opportunity to do this project

-heartfelt gratitude for your help and guidance

-support in spite of your busy schedule and commitments

-unlisted support provided

-sincere regards for constant encouragement

-useful suggestion and constructive criticism

A preface is an introduction to a book or other research work. It is written by the author and includes the following things:

- write why you chose the topic

- about your research

- sources and influences

- describe the topic: it's advantages, weaknesses, conclusions

- acknowledgments:  whom you want to thank, etc.

Regards.