"Country, Science Tool, or Sandwich " is a fun and interactive way to build science and social studies vocabulary! Plus, this resource gets them reading and thinking!Why use Country, Science Tool, or Sandwich? Boom Learning Digital Task Cards? Research tells us engagement is essential to learning. The Boom Learning Digital Task Cards are fun for the children, which is what keeps them coming back! They provide immediate feedback to the children, so learning is guaranteed to happen!How it works: