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invention category A group or set of inventions that are classified together because of common characteristics. Invention groups that include Agricultural, Communications, Computing, Energy, Transportation and more.
(The Discovery School site below gives the following definition: Invention is the creation of a new device, process, or product.. The Merriam-Webster Dictionary defines invention as: an original device or process.) Ask students to name inventions they can see in the classroom. For each invention, ask them to describe what the invention is used for. As they brainstorm, keep a list on the board.