In this book, 71+10 New Science Projects Junior, the author has taken up the simple facts and principles of Science, Such as: Air Pressure, Volume and Density, Gravitational Force of the Earth, Surface Area of solids, etc., for children and projected them in a simple and lucid language for the readers, particularly the school kids who can easily perform these experiments at home or school, of course with the help and guidance of their parents, elders or teachers. The book is meant for childrenof all age groups, particularly from 6 to 14 , who can perform and experience the thrill of these fun-filled experiments as well as learn the basic principles of Science easily and quickly.