Science 8:  We marked pg 496 # 1-3 and reviewed the layers of the Earth.   We took notes on Volcanos, followed by reading section 18.2 from a hand-out, followed by the first 28 minutes of National Geographic Volcano!.  The second half was devoted to Lab 17A:  Clocking Tectonic Plates.  The procedure is due on Friday, and I will give you time to do Analysis a-e & g on Friday.  Your final is on June 20th.