Gap Fill - NASA and Asteroids - Level 0


  • 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.

   2004      asteroids      danger      dangerous      Earth      end      it      people      world      years  

Paragraph 1

NASA said will not be a to Earth for 100 . Some people worried about the of the . NASA has been checking a 335-metre asteroid called Apophis. In , they thought could be . They thought it could kill over 10 million . They thought it could hit in 2068.

Now go to   Paragraph 2.

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