Grades: K-5; Subject Areas: Science. (2008) Nick explains that fruit are full of vitamins and minerals and that they keep us healthy. He even shows a pawpaw that is full of seeds, the kind of seeds that birds love to transport to other new locations. Nick explains that a flower is food-making factory that eventually ends up inside a fruit. That's why any vegetables with seeds are really a kind of fruit. Nuts are fruit as well because they contain seeds. Certain fruits like banannas and oranges only grow in tropical fruits. There are even cannonball fruit, dragon fruit, chocolate pudding fruits, buddha's hand fruit and finger limes. Nick believes that citrus fruits are some of the healthiest fruits on earth. With his young friends, he shows how to make lemonade.