Inventions for education - Crossword

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Across
  1. 3. right or appropriate for a particular purpose or occasion
  2. 4. to share or exchange information, news, ideas, feelings, etc
  3. 6. to become better than before
  4. 7. very useful or important
Down
  1. 1. connected with education
  2. 2. useful, easy or quick to do
  3. 5. to produce or design something that has not existed
  4. 8. that can help you to do or achieve what you want