WHAT IS THE POINT OF STEM AND WHAT ITS BASED ON?$?

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Across
  1. 4. - make available for use; supply.
  2. 7. -a point or way in which people or things are not the same.
  3. 8. -the state or fact of being similar.
  4. 9. -Study,Build and create but not an scientist.
Down
  1. 1. - to help 1 or more people to keep going
  2. 2. - not depending on another's authority
  3. 3. - knowledge gained by logical study of nature and physically interacting,while using it for experiments.
  4. 5. - TO use ure brain
  5. 6. - science, technology, engineering and mathematics