Thursday, January 4, 2007

8th Grade Thursday 1/4/07

8th Grade Earth Science

Today we discussed how the different stresses from the earth crusts transmits energy to rocks in the form of folds and bends in the rocks. We learned the 2nd letter rule in anticlines and synclines.

As we learned the different ways that rocks can fold and bend, we took the time to go on a pictorial field trip to different geological structures around the world and talked about how their locations relate to the known tectonic plates.

Discuss

How the plate movement can bend rock and what the names of the bends.
How early earth formed.
What the types of stresses are.
What the types of faults are.

Due Fri 1/5

Quiz on last two days.
We will be talking about earthquakes and drawing faults and stresses individually.

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