Tuesday, May 26, 2015

How did Water get to the Earth - E

When I was a child, instead of having pictures of rock stars on my wall, I had a chart of the solar system, with all the facts about the solar system, how far the planet was away from the sun, how big each planet was, The poster was yellow and black and it is too bad that I never took a picture of it.
There was one thing that I was always curious about.  Why does the Earth have so much water when all the other planets are dry? Where did all this water come from?


Well, now there are a few theories.  Read this blog post and discuss them with your English teacher
http://www.smithsonianmag.com/science-nature/how-did-water-come-to-earth-72037248/?no-ist


Key Terms
morning dew
roaring falls
evaporation
condensation
typoons
the sound of one hand clapping
solar system denizens
transmuted
primordial constituents
jostled
atomic nuclei
propitious start
spew 
epochs
conundrum
each has been fingered
 high ambient temperatures


Questions
Which theory of how water got to Earth do you think is the best? 
How many comets do you think have actually hit the Earth? 
Did they have enough water in them to supply the oceans? 
How did the Earth's gravity capture the water? 
How could have the astroids dropped water to Earth? 


Lesson Plan by Rachael Alice Orbach - Professional English teacher 

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