What subject is it ?

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Across
  1. 2. You learn about countries around the world.
  2. 4. Algebra and Geometry.
  3. 6. You learn about fitness and body movement.
Down
  1. 1. You learn how to draw well and become creative.
  2. 3. You learn about the past.
  3. 5. You can understand the world around you.