Thursday, April 16, 2009

April 16th and 17th, the layers of the earth and plate boundaries

Today we covered lots of ground. We created a foldable to organize the layers of the earth. We looked at the layers as defined by its composition, then looked at it as defined by its physical properties. The information for this was found on pages 88-91. Interested students can complete questions 1-4 on page 94 to check their understanding.

We then read about different plate boundaries (divergent, convergent and transform) and also looked at two types of crusts (oceanic and continental). We then completed an activity that used graham crackers to model these different boundary interactions. Read pages 99-101 to refresh your memory about this information.

Remember--test on Tuesday.

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