Gap Fill - Thinking - Level 1


  • Choose the correct word from the drop-down menus below.
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.
  • After this paragraph, go to Paragraph 2.

   body      brain      chemical      likely      mental      minute      power      time      tired      totally  

Paragraph 1

Have you ever thought why thinking makes us ? Researchers from Paris looked at why effort makes us tired. When we think a lot, our brain releases a . Too much of this changes the . It tells the that we must rest. People who spend a long on a task are more to feel tired. Resting helps the brain to return to normal. A nap is good for us. A 20- power nap can make us feel refreshed.

Now go to   Paragraph 2.

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