Crossword Inventions

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Across
  1. 1. gadget/tool
  2. 4. keyboard, mouse, printer are called ...
  3. 7. very useful or important
  4. 9. the set of necessary tools
  5. 10. a room used for experiments
Down
  1. 2. a test done in order to learn something
  2. 3. Google Chrome, Zoom, Skype are called ...
  3. 5. Facebook, Zalo, Youtube are called ...
  4. 6. providing education
  5. 8. right/ appropriate for a particular purpose or occasion