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Tuesday 24 September 2013

THE FINAL INSTALMENT ON RECORDING WEATHER

For the last few experiments from the Science and History project book we have been working on various ways to record the changes in weather and we enjoyed making the various tools, including the rain gauge, hygrometer and the weather vane.  Today we experimented with the final method we are observing for recording weather with a cross section of a log. 

Not only do the rings tell you how old a tree is but, by measuring the distance between the rings, you are able to tell when the tree was experiencing hot and cold weather.  Faster growth-hotter weather, slower growth - colder weather.



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