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Lunar Learning
Why does the Moon not always look the same to us? Sometimes it is a big, bright, circle, but, other times, it is only a tiny sliver, if we can see it at all. The different shapes and sizes of the slivers of the Moon are referred to as its phases, and they change periodically over the course of a lunar month, which is twenty-eight days long. The phases are caused by the relative positions of the Earth, Sun, and Moon at different times during the month.
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Video Gallery: Shark Dissection
This video gallery is from the Museum's Seminars on Science, a series of distance-learning courses designed to help educators meet the new national science standards. Part of the Sharks and Rays: Myth and Reality seminar, Dissection Gallery features 16 videos, each with a printable PDF transcript:Introduction to DissectionOverview of SpecimenDissectionDiscussion of Alimentary TractLiver DissectionEsophagus and Stomach DissectionIntestine DissectionNostrils of the Shark RayElectric Organ of the E
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Can China's Political System Sustain its Peaceful Rise?
What are the features of Chinese politics that could derail its peaceful rise? And how should other countries respond? Susan Shirk is director of the Institute on Global Conflict and Cooperation and Ho Miu Lam professor of China and Pacific Relations, UC San Diego.
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The Force of Friction
In the first of two lessons of this curricular unit, students are introduced to the concept of friction as a force that impedes motion when two surfaces are in contact. They work in teams to use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor; the spring scale allows them to measure the frictional force that exists between the moving cup and the surface it slides on. By modifying the bottom surface of the cup, students find out what kinds of surfaces
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Efficiency of an electromechanical system
Students use Lego motor and generator to raise washers a measured height. The work done by the motor-generator system is compared with the energy input to calculate efficiency.
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Evolutionary Engineering: Simple Machines from Pyramids to Skyscrapers
Simple machines are devices with few or no moving parts that make work easier, and which people have used to provide mechanical advantage for thousands of years. Students learn about the wedge, wheel and axle, lever, inclined plane, screw and pulley in the context of the construction of a pyramid, gaining insights into tools that have been used since ancient times and are still important today. Through numerous hands-on activities, students imagine themselves as ancient engineers building a pyra
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(〜2010年)農産加工学演習 I
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Hot Problem Solving
Student teams follow the steps of the engineering design process to meet the challenge of getting their entire class from one location on the playground to the sidewalk without touching the ground between. The class develops a well thought-out plan while following the steps of the engineering design process. Then, they test their solution by going outside and trying it out. Through the post-activity assessment, they compare their problem-solving experience to real life engineering challenges, su
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Indian lotus (Nelumbo nucifera) blooming in summer
The reproductive structures of this plant are not visible because the flowers have been fertilized and are losing their leaves. However, take note of the buds, which are young flowers encased in what will be sepals of the growing flower.
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TRMM Tropical Microwave Imager (TMI) sees the power of Hurricane Jeanne On September 26, 2004
NASAs TRMM spacecraft is used by meteorologists to understand It looks underneath of the storms clouds to reveal the underlying rain structure. Blue represents areas with at least 0.25 inches of rain per hour. Green shows at least 0.5 inches of rain per hour. Yellow is at least 1.0 inches of rain and red is at least 2.0 inches of rain per hour.
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Community based Physical Therapy
In this lecture, students are going to learn about the history, the society background and the system of Regional Physiotherapy for the preparation and the understanding of the practical side of Regional Physiotherapy. Moreover, we will have suggestions by the physiotherapists and occupational therapists working on the front-line.
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Kane Jennings: Solar Energy Conversion Inspired by Nature’s Engineering
Watch video of G. Kane Jennings, associate professor of chemical and biomolecular engineering, speaking at the Commencement 2011 Faculty Seminars. He received his B.S. in Chemical Engineering from Auburn University in 1993, his M.S. in Chemical Engineering Practice from the Massachusetts Institute of Technology in 1996, and his Ph.D. in Chemical Engineering from the Massachusetts Institutekeep reading »
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Molecular Classification - Prof. Chris Man (Part 1)
Recent advances in genomic and proteomic technologies have revolutionized our way of classifying diseases. These high-throughput technologies allow the development of powerful and multivariate classifiers to distinguish different diseases or tumors based on their molecular profiles. Molecular classification provides a new way to distinguish histologically similar but molecularly different types of tumors, and hence improves tumor diagnosis and prognosis. In this course, we introduce major concep
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Tissue movement in bipopulation tumour cord growth
Simulation of tumor cord growth where conversion of the tumor to glycolytic (anaerobic) metabolism takes place under hypoxia. This video shows volume fraction of glycolytic cell population and velocity of tissue movement. Isolines show hypoxia limits for aerobic and anaerobic cell lines respectively. This video reflects work in progress and may be different from the final results.
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Science Digest - Episode 2 Animal Guy
Quirky Science Digest talk show host Mathew Arden interviews animal expert Brad Crane.
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RHESSI Observes the Flare over AR9906 - rotate view with times
Zoom in (with rotation) to solar active region AR9906 on April 21, 2002 with SOHO-EIT,TRACE and RHESSI data. RHESSI observes x-rays from this flare. The red contours represent the 12-25 keV photon energy range and the blue contours represent 50-100 keV.
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Fooling the feds
Specifieke informatie achterhalen in een radioverslag over een FBI agent.
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Eco-living
De hoofdgedachten in drie teksten over alternatieve levensstijlen met elkaar vergelijken.
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Patient Success Story: Paul Sitkus - Myasthenia Gravis
After suffering from the symptoms of myasthenia gravis for two years, Paul Sitkus came to The University of Maryland Myasthenia Gravis Center to seek treatment from Dr. Charlene Hafer-Macko. In this video, Paul discusses how the treatments relieved his symptoms and significantly changed his life for the better. He also recalls how Dr. Macko pulled him through two major surgeries that he subsequently had at the Medical Center — hip replacement surgery with Dr. Vincent Pellegrini and back surge
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The Numbers Behind Hunger: Calorie Counting
Following are a series of activities in which students apply various math skills to better understand the problems of world hunger and what steps are being taken to reduce the number of people without enough to eat. This activity makes use of basic math skills to learn more about the energy value of food. A link to the US Dept. of Agriculture National Nutrient Database is listed here. Teachers may want to browse through the database first and determine the best way to present it to students: let
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