Science STORYBOARD 1

Science STORYBOARD 1
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  • why is the rock cracked?
  • Something called ice wedging caused the rock to crack.
  • Can you show me?
  • Ice wedging happens when water freezes in a crack in rock. then when the temperature drops below freezing, the water expands and freezes which expands the crack. 
  • sure
  • Ok, what's next?
  • First, water seeps into a crack of a rock or piece of Earth from rain or stream channels. Then the water freezes from temperature fluctuation (from day to night) which expands the rock making the crack larger.
  • so what happens if this process keeps repeating itself?
  • Then the water melts again fron temperature fluctuation (night to day) eventually evaporating the water and you are left with a larger crack.
  • Well in the future the rock would be in many differen sized pieces.
  • here, something I found on the internet to prove what I told you.
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