Gap Fill - The Big Bang - Level 6

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.

   beginnings      centre      cloud      clues      different      eruptions      evidence      gas      mysteries      occasionally   

Paragraph 1

Our planet contains that are yet to be unravelled. Many of them focus on how the Earth formed, and what is at the of our planet. A recent study provides as to what shaped Earth at the of our solar system. Scientists say they have discovered that vast amounts of a rare, primordial form of the helium may be trapped inside Earth's core. It is called helium-3. Scientists from universities in Japan and Taiwan believe the helium-3 is from a giant of gas and dust that amalgamated to create planets. The gas has remained locked inside Earth's mantle for billions of years, but is released in volcanic .

Now go to   Paragraph 2.

Back to the primordial helium lesson.

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