Subjects

123456
Across
  1. 2. A subject that use instrument
  2. 4. A subject that study of the earth
  3. 5. A subject that need to do experiment
  4. 6. A language that use by the whole world
Down
  1. 1. A subject that study thigs long time ago
  2. 2. A subject that need to use your brain very much
  3. 3. A elegant language