Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Atlantide Phototravel/Corbis Documentary via Getty Images – The Conversation How much candy do Americans eat in a whole year? – Yvanna C., age 9, Nevada From sweet treats to holiday indulgences, candy plays a big role in American culture, with consumption surging around Valentine’s Day, Halloween, Easter and Christmas. Sugar, whether it’s derived from sugar cane, sugar beets or corn, is a primary ingredient in all candies, partly because it can be masterfully crafted to all sorts of different sizes, shapes and textures. Whether you…