Gap Fill - Volcanoes - Level 5

HOW TO PLAY:

  • 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.

   active      centuries      changes      forecasts      impact      leaves      pretty      scientists      step      surrounding   

Paragraph 1

For , volcanologists have been predicting when volcanoes will erupt. Forecasting when a volcano might blow has been unreliable. However, a study from NASA and the Smithsonian Institution say they are a closer to providing more accurate . They used images from space to detect in the colour of near volcanoes. The study showed that an increase in carbon dioxide levels emitted by two volcanoes in Costa Rica had an on the colour of foliage. Trees in the areas became greener.

Now go to   Paragraph 2.

Back to the volcanoes and trees lesson.

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