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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:
Arts and Humanities
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
Conditions of Use:
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
Science and Technology
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.

Subject:
Science and Technology
Author:
Quentin D'Souza
100 or Bust
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In this Cyberchase activity, learners play a game where zero can help ...

In this Cyberchase activity, learners play a game where zero can help them win--or make them lose! Learners roll the die and place a zero in the tens or ones place. The winner is the first player to reach 100 without going over.

Subject:
Education
Mathematics
Material Type:
Activities and Labs
Games
Instructional Material
Provider:
Science and Math Informal Learning Educators (SMILE)
Provider Set:
SMILE Pathway: Science and Math Activities in One Search
Author:
Corporation for Public Broadcasting
Ernst & Young LLP
National Science Foundation
Northrop Grumman Corporation
PBS
The Volckhausen Family
WNET
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:
Computer Science
Mathematics and Statistics
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
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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
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
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:
Business and Communication
Mathematics
Material Type:
Activities and Labs
Teaching and Learning Strategies
Provider:
OER Commons
Provider Set:
Open Author Resources
Author:
Anne Collier
10X Bigger! - Remix
Conditions of Use:
Remix and Share
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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
10X Bigger! - Remix
Conditions of Use:
Remix and Share
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:
JR Dingwall
10X Bigger! - Remix
Conditions of Use:
Remix and Share
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:
Nancy Edwards
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.

Subject:
Science and Technology
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
Social Sciences
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:
Geoscience
Physics
Space Science
Material Type:
Data
Images and Illustrations
Instructional Material
Lesson Plans
Provider:
NSDL Staff
Provider Set:
NSDL Science Refreshers