STEM crossword

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Across
  1. 3. any system of knowledge that is concerned with the physical world
  2. 4. a procedure carried out to support or refute a hypothesis
  3. 6. the application of scientific knowledge to the practical aims of human life
  4. 7. activity involving skill in making things by hand
  5. 8. a person who is studying or has expert knowledge of one or more of the natural or physical sciences
Down
  1. 1. is the abstract study of quantity, structure, space, change, and many other topics
  2. 2. a usually roofed and walled structure built for permanent use
  3. 5. the branch of science and technology concerned with the design, building, and use of engines, machines, and structures.
  4. 9. science, technology, engineering, and mathematics