Middle School Geology End of Unit Lesson Plan Cascades Volcano Observatory Why Study Cascade Volcanoes? Cascade Range Active volcanoes dominate the skyline of the Pacific Northwest. The familiar snow-clad peaks of the Cascade Range are part of a 1,300 km (800 mi) chain of volcanoes, which extends from northern California to southern British Columbia. The volcanoes are the result of the slow slide of dense oceanic crust as it sinks beneath North America (subduction), which releases water and melts overlying rock. This rich volcanic zone contains the well-known landmark volcanoes and approximately 2,900 other known volcanic features ranging from small cinder cones to substantial shield volcanoes. Cascade volcanoes have erupted in the recent past and will erupt again. The time between eruptions is usually measured in decades or centuries, so eruptions are not a part of our everyday experience. Eruptions in the Cascade Range during the past 4000 years. During the past 4,000 years, periods of eruptive activity at various Cascade volcanoes have lasted for a few to tens of years per century.
Vi Hart: Blog Best Middle School Science Resource Amazon Bob's Rock Shop Online magazine for rock hounds with slide shows of rocks and minerals? . Bottle Biology - Science Museum of Minnesota Project to use recycled materials in the classroom. ? Cells Alive Advanced level including images and video to download. Earth Observatory Earthquake New Madrid EarthquakeThis site contains nformation from 1811-1812. Plate TectonicsThis site contains a visual presentation about the origin of earthquakes. San Francisco Earthquake of 1906This site is an archive from Museum of the City of San Earth Time-State of Our Geology U.S.
Geologic Hazards Some volcanic eruptions are mild and slow, while others are powerful and dramatic. An eruption happens when magma, gases, or steam break through vents in the Earth's surface. A mild eruption may simply discharge steam and other gases, or quietly extrude lava. A strong eruption can consist of violent explosions that send great clouds of gas-laden debris into the atmosphere, or may consist of explosions that blast sideways from a collapsed portion of the volcano, as happened in the 1980 eruption of Mount St. Helens. Eruptions can alter the land and water locally through lava flows, lahars, pyroclastic flows, and landslides. A lava flow moves through an intersection. Lava entering the sea poses special risks. A lahar is a mixture of volcanic ash, rock, debris, and water that can travel quickly down the slopes of a volcano. A pyroclastic flow is a rapidly-moving mixture of hot, dry rock fragments, ash, and hot gases which knocks down, buries, or burns everything in its path.
Funny poetry for children Breeding dragons: investigating Mendelian inheritance Mendelian inheritance can be a tricky topic to teach, but Pat Tellinghuisen, Jennifer Sexton and Rachael Shevin’s memorable dragon-breeding game makes it easier to understand and remember. Dragons may be mythical animals, but they can still be good tools for investigating Mendelian inheritance. In the following activity, students will ‘breed’ baby dragons, using paper chromosomes to determine the genotype and phenotype. The activity has been tested with students aged 12-13, and generally takes one lesson – about 45 to 60 minutes. Materials For the whole class A DNA model A picture of a chromosome For each student A set of chromosome strips in two colours (14 pink strips for the mother and 14 blue strips for the father) A student worksheet Crayons (at least four colours) The chromosome strips, Tables 1-3 from the worksheet, the worksheet itself and the basic dragon drawing can be downloaded from the Science in School websitew1. Procedure The story Dragons are a curious type of creature. Analysis
Virtual Labs The links on this page are all VIRTUAL LABS offered by the Glencoe textbook company. These labs give the students the adventure of laboratory experimentation without costly supplies, worrisome environmental and safety issues, or time-consuming clean up. They are from all different areas of science: Biology, Physics, Genetics, Earth Science, Physical Science, and Chemistry. Please feel free to try these at home! Students will be directed to specific labs in class but there are over 100 labs offered here! To return to the home page, please click here: Virtual Labs 1) What strategies are involved in solving a science problem? 2) How does thermal energy affect the state of a substance? 3) How can minerals be defined by their properties? 4) How are rocks classified? 5) What are the advantages of alternative energy sources? 6) How can locations in the United States be identified by their geographic features? 7) How are materials from the Earth broken down? 8) How do glaciers shape the land?