basic knowledge

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Across
  1. 2. - subject about kings,wars and old events
  2. 4. - subject about adding and subtracting
  3. 5. - study of earth and countries
  4. 8. - the person who explains lessons
  5. 9. - a piece of furniture for studying
  6. 10. - the meal you eat at school in the afternoon
Down
  1. 1. - a quiet place full of books
  2. 3. - what you sit on in class
  3. 6. - short time to rest and play
  4. 7. - a tool with lead inside for writing