Blackdog Media
Classic Reader: The French Twins by Lucy Fitch Perkins
The full text of the novel The French Twins by Lucy Fitch Perkins. Register for a free account to unlock annotation tools, printing, and more.
Blackdog Media
Classic Reader: The Japanese Twins by Lucy Fitch Perkins
The full text of the book The Japanese Twins by Lucy Fitch Perkins. Register for a free account to unlock annotation tools, printing, and more.
Australian Broadcasting Corporation
Australian Broadcasting Corporation: News in Science: Fingerprints of Twins
If you had an identical twin would you have the same set of fingerprints? Site uncovers the answer by researching the science behind fingerprints.
Open Library of the Internet Archive
Open Library: The Twin Sisters
This ebook version of Elizabeth Sandham's The Twin Sisters has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Open Library of the Internet Archive
Open Library: The Eskimo Twins
This ebook version of Lucy Fitch Perkins's The Eskimo Twins has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Open Library of the Internet Archive
Open Library: The Cave Twins
This ebook version of Lucy Fitch Perkins's The Cave Twins has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Open Library of the Internet Archive
Open Library: The French Twins
This ebook version of Lucy Fitch Perkins's The French Twins has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Open Library of the Internet Archive
Open Library: The Spartan Twins
This ebook version of Lucy Fitch Perkins's The Spartan Twins has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Blackdog Media
Classic Reader: "The Twins and a Wedding" by Lucy Maud Montgomery
"The Twins and a Wedding" is about two kids who want to go to a wedding but wind up at the wrong one. Read the full text of the short story on this site.
Blackdog Media
Classic Reader: "The Unheavenly Twins" by b.m. Bower
B.M. Bower is known for her stories about the American Old West. Read her short story "The Unheavenly Twins" on this site.
Blackdog Media
Classic Reader: "One of Twins" by Ambrose Bierce
Text of the short story "One of Twins" by American author Ambrose Bierce. (Free site registration offers some additional features, e.g., the ability to insert annotations.)
Ducksters
Ducksters: Maya Civilization for Kids: Hero Twins Myth
Explore how the legendary brothers tricked the gods of the underworld in the Hero Twins from the Maya mythology.
Read Works
Read Works: A Class of Twins
[Free Registration/Login Required] A literary text about a Mr. Reed's class as they learn that everyone looks different, but everyone also looks alike. A question sheet is available to help students build skills in reading comprehension.
Library of Congress
Loc: The Guarneri "Twin" Violins
Pictures and descriptions of the Guarneri twin violins.
NASA
Nasa Star Child: Uranus, Neptune's Twin (Level 1)
Get to know the twin of Neptune with this introduction to Uranus. Listen to the information in an audio file. Features include a printable version of the page, and vocabulary words are linked to a glossary of terms.
![National September 11 Memorial & Museum: Twin Towers and the Bamiyan Buddhas [Pdf] Lesson Plan](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "National September 11 Memorial & Museum: Twin Towers and the Bamiyan Buddhas [Pdf] Lesson Plan")
9/11 Memorial & Museum
National September 11 Memorial & Museum: Twin Towers and the Bamiyan Buddhas [Pdf]
The National September 11 Memorial & Museum has partnered with the New York City Department of Education and the New Jersey Commission on Holocaust Education to develop a robust set of 9/11 lessons for K-12 classrooms. Each lesson is...
Other
H Twins: The Scale of the Universe 2
Use the scroll bar on this site to zoom in and out of this site which will show you the relative sizes of hundreds of things in our univers, from the smallest currently known - quantum foam - to the largest - our universe. Click on any...
Annenberg Foundation
Annenberg Learner: Against All Odds: Inside Statistics: Correlation
Twin studies track how similar identical and fraternal twins are on various characteristics, even if they don't grow up together. Correlation lets researchers put a number on it. Scroll down the page to find comprehensive student and...
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: The Prime Page
Find a quick, concise but complete explanation of prime numbers. A variety of related topics are covered such as: A table of the first 400 Prime Numbers, Do Primes ever stop?, the Prime Number Theorem and Twin Primes.
Nobel Media AB
The Nobel Prize: Relativity
After a brief introduction, this site provides information on special relativity include sections such as The Michelson-Morley Experiment, The Postulates of Special Relativity, Lorentz Transformations, The Twin Paradox, Energy is...
University of Utah
University of Utah: Genetic Science Learning Center: What Is Cloning?
Media-rich detailed description of modern cloning technology and the two different processes used: artificial embryo twinning and somatic cell nuclear transfer.
A&E Television
History.com: The World Trade Center's Construction: 8 Surprising Facts
The twin 110-story towers at the heart of the World Trade Center were designed to surpass New York's iconic Empire State Building -- then the world's tallest building. Building the new towers would marshal unprecedented levels of design...
Other
Nuclear Twin: The Discovery of the Proton and Neutron
Trace the history of the discovery of protons and neutrons in this informative site.
Curated OER
Educational Technology Clearinghouse: Maps Etc: Twin Cities and Vicinity, 1922
A map from 1922 of the Twin Cities (Minneapolis and St. Paul) and neighboring counties. The map shows county boundaries and county seats, cities, towns, railroads, lakes, and rivers.