Should children read books instead of smartphones?

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Across
  1. 5. Watching a video can help you understand a difficult ____.
  2. 6. I remember the main idea, but I forgot the ____ details.
  3. 7. Reading a lot of books gives you better ____ skills because you learn many new words.
  4. 8. to get better at something
Down
  1. 1. Smartphones have many entertaining ____ and games.
  2. 2. a word that means 'fun'
  3. 3. easy to do
  4. 4. Some people ____ to read books about science, but others like story books more.