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Thursday 5 May 2016

How the Earth was made

YouTube clip on how the Earth was made



  • 4.5 billion years ago,the sun was surrounded by a cloud of dust.




  • The dust cloud cooled and formed minerals.



  • The minerals began to clump together, held together by static electricity.


  • minerals stick together to make rocks and then the rocks stick together.



  • after 30 million years of rocks sticking together, the Earth was made.





  • Then the Earth melted into a big ball of lava.



  • All the metals sank, and all the rocks floated.


  • The outside cooled and formed the crust.



  • Then another planet crashed into Earth.



  • All the rocks blown into space collected together to make the Moon.




  • Every time a meteorite hit the forming Earth it brought a little drop of water.

  • Over 200 million years, billions and billions of meteorites brought enough water to earth which created our oceans.





  • Meteorite crashed into the planet, meteorite contained a chemical called Amino Acid.



  • Amino Acid stuck together to make a chain of Protein.



  • Protein were able to replicate(copy) themselves.



  • Since protein were able to replicate themselves they made DNA.



  • DNA then evolved to bacteria's



  • The bacteria ate all the poisons gases to make and release oxygen into our earth's atmosphere.