String Theory

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Across
  1. 2. the fundamental construct of the universe
  2. 4. a small portion of matter
  3. 5. a concept
  4. 7. a set of ideas
Down
  1. 1. your seventh period class
  2. 2. project based learning
  3. 3. smaller than an atom
  4. 6. a set of things threaded together