SCIENCE

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Across
  1. 3. — A BODY THAT ORBITS A STAR
  2. 4. — A PLACE FOR SCIENTIFIC WORK
  3. 6. — THE STUDY OF LIVING THINGS
  4. 7. — THE STUDY OF SUBSTANCES
Down
  1. 1. — FORCE THAT PULLS OBJECTS DOWNWARD
  2. 2. — THE ABILITY TO DO WORK
  3. 3. — THE STUDY OF MATTER AND ENERGY
  4. 5. — THE BASIC UNIT OF MATTER