How Many Drops?
In this lesson and its associated activity, students conduct a simple test to determine how many drops of each of three liquids can be placed on a penny before spilling over. The three liquids are water, rubbing alcohol, and vegetable oil; because of their different surface tensions, more water can be piled on top of a penny than either of the other two liquids. However, this is not the main point of the activity. Instead, students are asked to come up with an explanation for their observations
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Postcards
Printable worksheet that requires students to write simple postcards. It can be expanded as pupils' confidence grows.
Author(s): Jim Purcell

Postural and Kinetic Tremor - Motor Exam - General Observations Sub-exam - Patient 8
This 37-year-old left-handed white male has had tremors beginning in childhood, before he started school. Over the years, the tremors have slowly progressed in both upper extremities. Tremors have spread to affect the right leg. They are more pronounced in the left. Most of the time tremors are increased with anxiety and activity, but are also present at rest. There are no tremors in his feet. Because of the tremors, the patient cannot write, feed himself, use utensils, or even hold a cup. He c
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Seasonal NDVI for Africa. 1981-2000 averaged without month notation.
Seasonal NDVI for Africa. 1981-2000 averaged without month notation. 15 frames-month
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The Magnetosphere - Earth Raises its Shields
A view of a computer-generated model of the Earth's magnetosphere. Semi-transparent surfaces represent particle density (red is high, blue is low) and silvery tubes represent the magnetic field lines. In this particular model, the solar wind has an ambient density of 8.35 particles-cm^3. The isosurfaces are then red (>17 particles-cm^3), yellow (>12 particles-cm^3), green (>8.6 particles-cm^3) and blue (<1.0 particle-cm^3).
Author(s): Dan Spicer,Eric Sokolowsky,Horace Mitchell,Tom Bri

How To Speed Up Your Metabolism
Burn more calories without even trying with these metabolism boosters is the purpose of this two minute video. It talks about both eating habits as well as exercise. There are a lot of interesting ideas here that could help all students. Make sure that students understand that all of these ideas need to be improved by their parents/doctors.
Author(s): No creator set

The Assassination of JFK (3:37)
The course of events surrounding JFK's assassination shocked the nation and left more questions than answers. This is a good overview of the events that came after the assassination and the
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The Properties of Matter - by StudyJams
Matter is anything that has mass and takes up space.  That is why mass and volume are the properties of matter.  There are many different kinds of matter:  conductors, insulators, and magnets to name a few.  Learn more about the properties of matter with this cartoon animation from StudyJams.  A short, self-checking quiz is also included with this link.
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Section 20  Sprechübungen, Hörabschnitt 6
The thematic focus of this unit is people in Germany, Austria and Switzerland and the world they live in. You use audio and text to practise German language skills while also enhancing your cultural understanding.
Author(s): The Open University

2011 Commencement Speakers
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Elon University President Leo M. Lambert charges the newly graduated Class of 2011 at Elon University School of Law May 22, 2011.
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GoNU.TV Interview - Carlos Pena
Former Northeastern baseball player and current Major Leaguer Carlos Pena returned to Friedman Diamond on May 21 to help honor former teammate Greg Montalbano. GoNU.TV spent time talking with Pena in this exclusive interview. Pena and fellow teammates returned to Northeastern for a special number-retirement ceremony for Montalbano, who lost a courageous battle with cancer in 2009. [You can read more about the special Montalbano ceremony here.] Pena, who was in Boston for the Chicago Cubs' fir
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So far in this extract you have looked at your life and some of the main influences on you. This process of self reflection, if developed, could provide the basis of your life story. If you decided to ‘tell your storyâ€™, how would you structure it? Most probably, as a chronological account of your life, from childhood to adulthood. The chances are that you would do this against the backdrop of the social and political events of the time, and you would illustrate it with historical det
Author(s): No creator set

2.12.2 Litigation
Why are so many people now turning to complementary and alternative medicine and why do approaches to complementary and alternative medicine (CAM) raise such controversy? This unit explores the following three key areas: â€˜Why people use complementary and alternative medicineâ€™, â€˜Critical issues in the therapeutic relationshipâ€™ and â€˜Ethics in complementary and alternative medicineâ€™.
Author(s): The Open University