NASA
Taking a Cold, Clear Look at the Universe
Take a look with another perspective. Pupils read to find out what portion of the electromagnetic spectrum a space telescope sees and the difficulties of viewing infrared radiation from other objects in space. Individuals discover how...
NASA
Taking Apart the Light
Break down light into spectra. Scholars learn how atoms emit and absorb photons and come to understand how this process allows scientists to identify different atoms based on either absorption lines or emission lines. Learners then...
Khan Academy
Khan Academy: Ancient Observations
If you observe Mars over time you will notice that it gradually grows and shrink over time. Why does this happen? Read this article to see the explanation for this observation.
American Geosciences Institute
American Geosciences Institute: What Are Weather Observations?
Find out why meteorologists need weather observations to accurately measure and predict the weather.
American Geosciences Institute
American Geosciences Institute: Radar and Satellites Observe Predict Weather
Find out how radar and satellites have become an important tool for observing and predicting the weather.
Other
Catholic Culture: Catholic Activity: Carnival or Mardi Gras
Maria Augusta Trapp explains the origin of the time of feasting and revelry between Epiphany and Ash Wednesday, the seasonal celebration of Mardi Gras, which marks the beginning of Lent. Article also touches on the related tradition of...
Famous Scientists
Famous Scientists: Tycho Brahe
Learn about this 16th century astronomer who was known for his accurate and comprehensive astronomical and planetary observations.
Other
Utrecht Univ.: Fa Qs Observance, Marriage, Women in Judaism
A Usenet collection of questions and answers related to Jewish culture, religious practices and beliefs, and family life. For example, it explores the meaning of kosher and explains how Jews around the world keep kosher.
Discovering Lewis & Clark
Discovering Lewis & Clark: Milk River
Discover facts about the valley of the river Lewis and Clark named Milk and read about their observations.
Discovering Lewis & Clark
Discovering Lewis & Clark: Fort Mountain (Square Butte)
Features images and a vivid description of "Fort Mountain" or Square Butte as it is now called. Also, includes the observations of Meriwether Lewis from July of 1805.
Other
Ed Surge: A Guide for Bringing the Samr Model to I Pads
An explanation of the Substitution Augmentation Modification Redefinition Model (SAMR) Model. The author uses an analogy of making coffee at home as opposed to having one at Starbucks, and compares this to reading a book versus reading...
Seeker
Seeker: Week of 11 25 13: Black Hole Birth Spawned Record Breaking Blast
Article reports on a recent record-breaking observation in space - the bright gamma-ray burst ever recorded.
The Guardian
Guardian: Dig Uncovers Boudicca's Brutal Streak
This Observer archive article from 2000 reveals the ferocious nature of Boudicca's rebellion in 60-61 AD in new excavations made at Colchester.
Texas State Historical Association
Texas State Historical Association: The Frontier Forts of Texas
The system of frontier forts in Texas was established to protect Anglo settlers as well as those moving on westward. This article details the observations of Lt. Col. William Grigsby Freeman, who set out in 1853 to inspect a series of...
Buddha Dharma Education Association
Buddha Net: Buddhist Festivals and Special Days
Article outlines the holy places, holidays, and ritual practices of the Buddhist faith. Includes links to more extensive information about selected holidays.
NASA
Nasa: Russia Meteor Not Linked to Asteroid Flyby
The large fireball observed on the morning of Feb. 15, 2013, in the skies near Chelyabinsk, Russia, was caused by a relatively small asteroid that entered Earth's atmosphere at high speed and at a shallow angle. Preliminary information...
Arizona State University
Arizona State University: Natural Horn & Its Technique
Arizona State's descriptions of the horn are broken up by illustrations of the horn, players, and music. There is a big discussion of crooks (not the kind that go to jail), but the kind that are made when you bend metal! The author notes...
Cornell University
Cornell University: The Rush to Oklahoma
An observation printed in Harper's Weekly in 1889 about the Oklahoma land rush into the Indian Territory.
World War 1
Worldwar1.com: Great War Society: La Grande Guerra: Asiago 1916 Two Views
Detailed information on Austria's first great offensive on the Italian Front campaign during WWI. The Battle of Asiago is described both by an English correspondent with the Italian Army and an official German observer with the Austrians.
Exploratorium
Exploratorium: Ice Stories: Dispatches From Polar Scientists: Greenhouse Gases
Polar scientists offer an article identifying the research and observations made on greenhouse gases. Why is there so much carbon dioxide in the atmosphere today? Scientists work diligently to determine the causes and effects of these...
University of Calgary
Sources: The Tragic History of the "Omer" Season
This resource provides information behind the Omer. Also traces the observance of the ritual among Ashkenazic Jews.
American Institute of Biological Sciences
Action Bioscience: Birds: What Can They Tell Us About Our Planet
Birds can offer hints to the health of the planet as they are found everywhere, migrate to many new environments, and play a role in our culture with their vibrant shades and sounds. Identify specific ways we can learn about our own...
Society for Science and the Public
Science News for Students: Clouds on Jupiter Run Surprisingly Deep
Scientists have recently observed a unique feature of the clouds on Jupiter. Find out what they've discovered.
Open Curriculum
Open Curriculum: Darwin and the Theory of Evolution
Students will be able to identify important ideas Darwin developed during the voyage of the Beagle, and give examples of his observations that supported those ideas.
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