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Forces in 1 Dimension
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Explore the forces at work when you try to push a filing ...

Explore the forces at work when you try to push a filing cabinet. Create an applied force and see the resulting friction force and total force acting on the cabinet. Charts show the forces, position, velocity, and acceleration vs. time. View a Free Body Diagram of all the forces (including gravitational and normal forces).

Subject:
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Danielle Harlow
Harlow, Danielle
Kathy Perkins
Loeblein, Trish
Perkins, Kathy
PhET Interactive Simulations
Reid, Sam
Sam Reid
Trish Loeblein
100 Temperatures You Should Know
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From -273.15 Absolute Zero, the coldest known temperature through to the 5500bn ...

From -273.15 Absolute Zero, the coldest known temperature through to the 5500bn furnace achieved in the CERN Hadron Collider, the UK's leading HVAC specialist Andrews Sykes have created this visual, 100 Temperatures You Should Know, that details everything from South America's hottest temperature to the idea heat to cook a steak. Learn some remarkable facts and have a play online today.

Subject:
Education
Life Science
Material Type:
Diagram/Illustration
Interactive
Simulation
Provider:
Andrews Sykes
Author:
Andrews Sykes
100 Free Web Tools for Elementary Teachers
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This article includes the URL and description of 100 free web tools ...

This article includes the URL and description of 100 free web tools that can be used by all teachers. The tools are categorized into search engines, math and science, games, templates and lesson plans, and more.

Subject:
Education
Material Type:
Reading
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
John Costilla
Arctic and Antarctic Birds - Issue 11, February 2009
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This issue of the free online magazine, Beyond Penguins and Polar Bears, ...

This issue of the free online magazine, Beyond Penguins and Polar Bears, explores the amazing birds that live in or migrate to the polar regions. The issue was co-produced with the Cornell Lab of Ornithology. In addition to content knowledge articles and lesson plans, the issue includes information about bird-themed citizen science programs from the Cornell Lab of Ornithology.

Subject:
Engineering
Education
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
Polar Plants - Issue 12, March 2009
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This issue of the free online magazine, Beyond Penguins and Polar Bears, ...

This issue of the free online magazine, Beyond Penguins and Polar Bears, explores the plants that live in the polar regions as well as resources for teaching plant classification, life cycles, and adaptations.

Subject:
Engineering
Education
Life Science
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
Tundra: Life in the Polar Extremes - Issue 13, April 2009
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This issue of the free online magazine, Beyond Penguins and Polar Bears, ...

This issue of the free online magazine, Beyond Penguins and Polar Bears, explores the tundra and how it can illustrate ecological concepts, relationships, and changes.

Subject:
Engineering
Education
Ecology
Forestry and Agriculture
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
Polar Oceans - Issue 14, May 2009
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This issue of the free online magazine, Beyond Penguins and Polar Bears, ...

This issue of the free online magazine, Beyond Penguins and Polar Bears, explores the characteristics and living systems of the Arctic and Southern Oceans. Instructional resources include ocean-related lessons and informational text about blue whales.

Subject:
Engineering
Education
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
Icebergs and Glaciers - Issue 15, August 2009
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This issue of the free online magazine, Beyond Penguins and Polar Bears, ...

This issue of the free online magazine, Beyond Penguins and Polar Bears, contains content knowledge and instructional resources about icebergs and glaciers and the scientific principles of density and buoyancy.

Subject:
Engineering
Life Science
Physics
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
Indian Trader John Lawson's Journal of Carolina, 1709
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Tragically, contact between Indians and the Europeans extended beyond just trade goods; ...

Tragically, contact between Indians and the Europeans extended beyond just trade goods; the invasion of foreign microbes devastated Indian communities well beyond the coastal region. When John Lawson visited the Carolina interior in the 1690s, he encountered the Congaree people, whose numbers and villages had been dramatically reduced by smallpox and other diseases. In 1660, Lawson, born into a London gentry family and aspiring to a career as a natural scientist, had set sail for the Carolina colony that was founded after the restoration of the British monarchy. He traveled more than a thousand miles as an employee of the colony's proprietors, who were eager to attract additional colonists and foster economic development. Lawson's keen eye for the native and non-native people, flora, and fauna of the region was evidenced in his journal A New Voyage to Carolina, published in 1709.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
"The Pulpit Being My Great Design ": A Minister in Early 18th-Century New England.
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Eighteenth-century New Englanders increasingly found themselves living within the imperial context of ...

Eighteenth-century New Englanders increasingly found themselves living within the imperial context of the European wars and Enlightenment ideas that flowed across the Atlantic. John Barnard, the long-time minister of Marblehead, Massachusetts, was influenced by those ideas. He took the traditional path toward becoming a Congregational minister by attending an English school, grammar school, and then Harvard College, the main supplier of the region's clergy and integral to its intellectual life. While Barnard held traditional providential beliefs in God's responsibility for events, his life history also revealed an increasing layer of newer scientific beliefs and values. Less isolated than their 17th-century predecessors, the New England ministry at the turn of the 18th century traveled to Europe and took part in the increasing English book trade that brought European ideas to them, as seen in Barnard's autobiography.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
"A Nave and Self-Taught Artist": John Frazee Sculpts Daniel Webster, 1833
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Many artists working in the decades after the American Revolution came from ...

Many artists working in the decades after the American Revolution came from the ranks of artisans and mechanics. In a republic that dispensed with aristocratic patrons and royal academies, art came to be supported by a middling populace more interested in portraits than grand history painting. Sculpture in marble, time consuming and expensive, was even more remote than paints, and the new nation lacked grand palaces or mansions for display. John Frazee, born in Rahway, New Jersey in 1790, lacked the benefit of formal instruction but still progressed from carving lettering on gravestones to fashioning busts of the rich and famous. Without formal knowledge or the constraints of European customs, American-born and trained artist-artisans such as Frazee resorted to indigenous and ingenious solutions to the problems they faced in a commercializing society, such as Frazee's mechanical invention to transfer an image from painting to a marble bust.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
"A harvest of death, Gettysburg, July 1863."
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Photographers covered the Civil War, following the Union Army in wagons that ...

Photographers covered the Civil War, following the Union Army in wagons that served as traveling darkrooms. Their equipment was bulky and the exposures had to be long, so they could not take action photographs during battle. But photography was graphic; this picture taken on the morning of July 4th, 1863 after three days of heavy fighting during the Battle of Gettysburg, showed the northern public that dying in battle lacked the gallantry often represented in paintings and prints.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
Readings in American History Since 1877, Fall 2003
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Aims to develop a teaching knowledge of the field through extensive reading ...

Aims to develop a teaching knowledge of the field through extensive reading and discussion of major works. The reading covers a broad range of topics -- political, economic, social, and cultural -- and represents a variety of historical methods. Students make frequent oral presentations and prepare a 20-page review essay.

Subject:
Arts and Humanities
World Cultures
U.S. History
Material Type:
Full Course
Homework/Assignment
Syllabus
Provider:
M.I.T.
Provider Set:
M.I.T. OpenCourseWare
Author:
Jacobs
Meg
Beyond Bed Pans: The Life of a Late 19th-century Young Nurse
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In this autobiographical account of the life that awaited new nursing recruits ...

In this autobiographical account of the life that awaited new nursing recruits in 1893, former nurse Mary Roberts Rinehart painted a vivid portrait of the daily obstacles that stood between nurses and the professional status they hoped to attain. Rinehart described the "simple, plain hell" faced by the young nurse, a description that challenged conventional expectations about professional work.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
A Mule Spinner Tells the U.S. Senate about Late 19th century Unemployment
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Fall River, Massachusetts, mill worker Thomas O'Donnell (who had immigrated to the ...

Fall River, Massachusetts, mill worker Thomas O'Donnell (who had immigrated to the U.S. from England eleven years earlier) appeared before the U.S. Senate Committee on Education and Labor on October 18, 1883, to answer the panel's questions about working-class economic conditions. An unemployed mule spinner for more than half of the year, he described the introduction of new production methods at the Fall River, Massachusetts, textile factory where he worked as a mule spinner (a worker who tended the large yarn-making machines). These changes allowed the mill's owners to employ children, and they also left the mule spinner unemployed for much of the year. O'Donnell described the sharp decline in his family's living standards that followed and the ways they struggled to make ends meet.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project
Science at the Poles - Issue 19, April 2010
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In this issue of the free online magazine Beyond Penguins and Polar ...

In this issue of the free online magazine Beyond Penguins and Polar Bears, learn about the tools and technologies scientists use to study the land, ice, ocean, atmosphere, and living creatures of the polar regions. Students can also learn about the day-to-day life of a scientist working at the South Pole and plan their own research expedition.

Subject:
Engineering
Education
Life Science
Chemistry
Physics
Material Type:
Lesson Plan
Provider:
Ohio State University College of Education and Human Ecology
Provider Set:
Beyond Penguins and Polar Bears: An Online Magazine for K-5 Teachers
Author:
The Ohio State University
"A Less Reliable Form of Birth Control": Miriam Allen deFord Describes Her Introduction to Contraception in 1914
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Despite major cultural, legal, and medical impediments the use of birth control, ...

Despite major cultural, legal, and medical impediments the use of birth control, including abortion, by American women was widespread at the turn of the century. In their quest to control unwanted pregnancies, American women could be surprisingly resourceful in the methods they used. In this audio excerpt from a 1974 interview with historian Sherna Gluck, Miriam Allen deFord described methods of birth control in vogue in the 1910s, including spermicides, douches, the Dutch pessary (an early diaphragm), and the use of ergot pills to induce abortion.

Subject:
U.S. History
Material Type:
Primary Source
Reading
Provider:
American Social History Project / Center for History Media and Learning
Provider Set:
Many Pasts (CHNM/ASHP)
Author:
Center for History and New Media/American Social History Project