Saturday, April 25, 2009
This Week in Earth Science: April 27-May 1
Sunday, April 19, 2009
This Week in Earth Science: April 20-24
Friday, April 10, 2009
This Week in Earth Science: April 13-17
• Tuesday is a delayed start day. The last NOVA Podcast Warm-up will be played today and the Warm-up Sheets will be collected and graded. A sciTunes music video will be featured ("Dark as a Dungeon") to introduce the topic: the coal formula and coal formation. Students will need to make a copy of the coal formula in their notes and study them. There will be an essay question on next week's Paleontology Test related to these notes.
• On Wednesday a new Warm-up Sheet will be assigned with the daily question on the chalkboard format. Michigan's missing Mesozoic will be discussed today. Computer animations will be used to demonstrate a theoretical Cretaceous extinction event. Students will participate in the "Tour the Triassic" activity as well. Homework will be assigned that will be due at the beginning of the class on Thursday ("Did T. Rex Taste Like Chicken?").
• A slide show "Secrets of the Cenozoic Bogs" will be shown on Thursday. Students will have an outline to complete during the slide show.
Sunday, April 5, 2009
Redoubt Erupts Again
Mt. Redoubt erupted again on April 4th (13:58 UTC), spewing a plume of ash, water vapor and sulfurous gases at least 50,000 feet high. While the gaseous emissions are entering the stratosphere and blowing away, much of the ash is falling back to Earth. "This photo," reports Thomas Kerns, "is from our home near Beluga Lake in Homer, Alaska," where falling ash has turned the ground moondust-gray:
"Later," he says, "the wind picked up and began blowing the dust around." His photo of the ash storm shows why dust masks are selling briskly in Alaska these days.
Meanwhile in Earth orbit, the GOME-2 (Global Ozone Monitoring Experiment) sensor onboard Europe's MetOp-A satellite is tracking a sulfur dioxide cloud emitted by the April 4th eruption: image. The cloud will probably move across North America in the days ahead. Sky watchers should keep an eye out for volcanic sunsets.
Friday, April 3, 2009
This Week in Earth Science: April 6-10
• Students will prepare a "Geologic Eras" organizer on Monday to study from in preparation for a quiz on Thursday. Time will be given in class to prepare for and try the Geologic Time Quiz.
• The Fossil Assemblage Lab will take place on Tuesday to reinforce concepts about index fossils, relative dating and the Law of Superposition.
• Wednesday will be another lab day. Students will be using a dichotomous key for common invertebrate fossils in the Michigan Paleozoic Seas lab.
• The Geologic Eras Quiz will be given on Thursday. More time will be given for preparation and trying the "Geologic Time Quiz as well.
• Friday is Good Friday so school will not be in session for students nor teachers. Easter is on Sunday April 12th. Here's an astronomy fact for Easter - Did you know that Easter always falls on the first Sunday after the first full moon after the Vernal Equinox? That's why the date of Easter varies from year to year unlike Christmas which is always on the same date. If you can recite this fact from memory to Mr. Kinnan at school he will award you 5 bonus points!
Thursday, April 2, 2009
Volcano Belches 'Tweets'
alaska_avo on Twitter for the latest Tweets!