Thu, Oct 23, 2014 6:38 PM in Mechanism of plate tectonics
I did find some recent research (2012) but it certainly does not refute convection but just adds further evidence to suggest that slab-pull and convection work together. Of course this recent study is based on modelling and I would doubt it is completely accepted throughout the geologic community. If you are waiting for "conclusive evidence", that may be a very long time coming. Meanwhile, I wou...
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Sun, Sep 07, 2014 6:15 PM in Video Analysis...
Hi Chris,
I have done something like you are considering some time ago and although I have no assignment to share with you, I can let you know about my experience and offer some suggestions.
When I did my essay assignment I was able to arrange with the English teacher so that the essay could fulfil requirements of her class as well as my science class. At that time the possible topics I gav...
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Tue, Sep 02, 2014 7:19 PM in Observation vs Inference
Hi Cassie,
I am glad you brought up this question as to the difference between an observation and inference which initially I thought was pretty obvious. However, the more I thought about what you said, I could understand better why some students might be confused.
I usually tell students that an observation involves using one of the 5 senses (sight, touch, taste, smell, or hearing). There...
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