The 1950s saw the start of a big snack food revolution. Since then, innovations in food science technology have made snacks inexpensive, convenient, and delicious. But is all this snacking good for us? Learn about the history of snack food, the science behind food technology, and how snack foods affect health. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds reading skills while engaging students'...