Learn about the lowest and highest points in the world.Mount Everest, towering more than 29,000 feet above sea level, is the highest point on Earth. However, if the mountain rose up from the planet's deepest point, in the Pacific Ocean's Mariana Trench, its peak would still be more than a mile below the surface Readers(Grades 3-5) will learn all about the highest and lowest points on Earth, from what life is like in these extreme locations...