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100,000,000 Guinea Pigs : The Dangers of Consumption
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In 1927, responding to the seemingly overpowering claims of advertisers and mass ...

In 1927, responding to the seemingly overpowering claims of advertisers and mass marketers, engineer Frederick Schlink and economist Stuart Chase published Your Money's Worth, which argued for an "extension of the principle of buying goods according to impartial scientific tests rather than according to the fanfare and triumphs of higher salesmanship." Your Money's Worth became an instant best-seller, and the authors organized Consumers' Research, a testing bureau that provided information and published product tests in a new magazine, Consumers' Research Bulletin. The 1929 stock market crash heightened suspicion of consumer capitalism, and the magazine had 42,000 subscribers by 1932. In 1933, Schlink and Arthur Kallet (executive secretary of Consumers' Research) published 100,000,000 Guinea Pigs: Dangers in Everyday Foods, Drugs, and Cosmetics. The book struck a responsive chord in depression-era America--it went through thirteen printings in its first six months and became one of the best-selling books of the decade. The book's first chapter ("The Great American Guinea Pig"), gave a flavor of their vigorous arguments.

Subject:
U.S. History
Material Type:
Primary Source
Readings
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
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:
Reference
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
100 Temperatures You Should Know
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No Strings Attached
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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:
Images and Illustrations
Interactive
Simulations
Provider:
Andrews Sykes
Author:
Andrews Sykes
100+ Web 2.0 Ideas for Educators: A Guide to RSS and More
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As part of my presentation for the K12 Online Conference I am ...

As part of my presentation for the K12 Online Conference I am publishing this 50 page document. It is a combination of the 50+ RSS Ideas for Educators document and the Teaching Hacks wiki. It is geared towards an introduction to RSS, but carries on a bit further into topics such as tagging, social bookmarking, wikis and more. Link is to a pdf document.

Author:
Quentin D'Souza
100th Day of School Activities
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Resources to mark the 100th day of school with math activities. Challenge ...

Resources to mark the 100th day of school with math activities. Challenge students to generate 100 different ways to represent the number 100. Students will easily generate 99 + 1 and 50 + 50, but encourage them to think out of the box. Challenge them to include examples from all of the NCTM Standards strands: number sense, numerical operations, geometry, measurement, algebra, patterns, data analysis, probability, discrete math, Create a class list to record the best entries. Some teachers write 100 in big bubble numeral style and then record the entries inside the numerals.

Subject:
Mathematics
Material Type:
Activities and Labs
Provider:
Mathwire
Author:
Terry Kawas
10X Bigger!
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Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
ISKME
10X Bigger! - Remix
Rating

Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Sayak Bhattacharyya
10X Bigger! - Remix
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Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
JR Dingwall
10X Bigger! - Remix
Conditions of Use:
No Strings Attached
Rating

Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Lesson Plans
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Anne Collier
10X Bigger! - Remix
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Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Nancy Edwards
10X Bigger! - Remix
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Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Konrad Z
10X Bigger! - Remix
Conditions of Use:
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Students will explore multi-digit numbers and the relationship between ones, tens and ...

Students will explore multi-digit numbers and the relationship between ones, tens and hundreds; a digit in one place is 10x the digit in the place to its right. Students will use their bodies to represent digits in multi-digit numbers up to the hundredths place and compare these numbers using <, =, >. Students will use their bodies as multi-digit numbers to add and subtract.

Subject:
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Raquel Vazquez
12 Stones
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Twelve Stones portrays the heart of Heifer's work - Passing on the ...

Twelve Stones portrays the heart of Heifer's work - Passing on the Gift ÂŽ - and shows the transformation of a community of women in Nepal from helplessness to hope through Heifer International. This is a preview clip of a documentary produced by Sandy Smolen.

Material Type:
Video Lectures
Provider:
Heifer International
Provider Set:
Heifer Education
Author:
Sandy Smolen
1492: An Ongoing Voyage
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The exhibition 1492: AN ONGOING VOYAGE describes both pre- and post-contact America, ...

The exhibition 1492: AN ONGOING VOYAGE describes both pre- and post-contact America, as well as the Mediterranean world at the same time. Compelling questions are raised, such as: Who lived in the Americas before 1492? Who followed in the wake of Columbus? What was the effect of 1492 for Americans throughout the Western Hemisphere? The Library of Congress' Quincentenary exhibition addresses these questions, as well as other related themes, including fifteenth century European navigation, the myths and facts surrounding the figure of Columbus, and the differences and similarities between European and American world views at the time of contact.

Subject:
U.S. History
World History
Material Type:
Readings
Provider:
Library of Congress
1900 Air Pollution
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This article and included graphs,from the web site accompanying the FRONTLINE NOVA ...

This article and included graphs,from the web site accompanying the FRONTLINE NOVA special What's Up with the Weather?, reveals how atmospheric carbon dioxide, methane, and nitrous oxides from coal- and oil-burning power plants, cars, and other fossil-fuel-burning sources have climbed along with the world population, with as yet unknown effects on the climate system.

Subject:
Physics
Material Type:
Data
Images and Illustrations
Instructional Material
Lesson Plans
Provider:
NSDL Staff
Provider Set:
NSDL Science Refreshers
19th Century Women: Struggle and Triumph
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Ever wonder what women were doing during the 1800s or what is ...

Ever wonder what women were doing during the 1800s or what is known as the antebellum period of United States history? Men are well represented in our history books as they were the powerful, educated leaders of our country. Women, on the other hand, rarely had opportunities to tell their stories. Powerful stories of brave women who helped shape the history of the United States are revealed to students through journals, letters, narratives and other primary sources. Synthesizing information from the various sources, students write their impressions of women in the Northeast, Southeast, or the West during the Nineteenth Century.

Subject:
U.S. History
Women's Studies
Material Type:
Lesson Plans
Provider:
Library of Congress
Provider Set:
LOC Teachers
1.G 3-D Shape Sort
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This is a task from the Illustrative Mathematics website that is one ...

This is a task from the Illustrative Mathematics website that is one part of a complete illustration of the standard to which it is aligned. Each task has at least one solution and some commentary that addresses important asects of the task and its potential use. Here are the first few lines of the commentary for this task: As a whole group, students will sort a collection of three-dimensional objects into categories by shape. There should be several that fall into each of...

Subject:
Mathematics
Material Type:
Activities and Labs
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics