My school, my rules

123456
Across
  1. 4. You usually study Pythagoras'theorem, and Thales'theorem.
  2. 5. You sometimes dissect frogs and mice.
  3. 6. This subject usually teaches you how to cook or sew.
Down
  1. 1. You sometimes paint on canvas, play the guitar, etc.
  2. 2. You often play rugby or badmington.
  3. 3. You always go on computers during this lesson.