Physics For Babies Why Apples Fall On The Ground Introduce physics to your baby with fun and love. Billy, she always wants to jump to the Moon. But she always falls back because of the Earth's gravity. She jumps, and she is hungry. She throws the ball to the Moon. But the Earth's gravity always pulls back her ball on the ground. In this book, the kids will discover: Gravity pulls back everything on the ground. The value of gravity. How gravity g is calculated Why do apples, balls, and everything fall on the ground? Why are weight and mass not the same? What's their weight on the Earth, Moon, Mars, and Jupiter? The kids will start discovering more about Physics. The full book is colorful and interesting. The author will smartly introduce Physics to babies.