Math Is Fun
Math Is Fun: Rounding Numbers
What is rounding, and what does it mean to round up and round down? Learn how to round numbers via simple steps and examples.
Crescent Public Schools
The Internet Science Room: Chemistry Class Introduction
This introduction to chemistry class reviews some major concepts to help prepare students for a high school chemistry course.
Simon Fraser University
Chem1 Virtual Textbook: The Measure of Matter
Find out all about units, measurements, and error when it comes to measuring matter.
Texas Education Agency
Texas Gateway: What Is Physics?: Key Terms
This is a glossary of key terms and definitions used in Chapter 1: What is Physics? from the online TEA Physics text.
Texas Education Agency
Texas Gateway: What Is Physics?: Section Summary
This is a summary of the most important takeaway ideas from Chapter 1: What is Physics? from the TEA Physics text.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Scientific Notation [Pdf]
Learn step by step instructions on how to express numbers in scientific notation. Discover the rules to scientific notation and view several examples of numbers being expressed in scientific notation.
Texas A&M University
Sons of Dewitt Colony Texas: Mexican Independence
Website devoted to the regional history of Texas discusses significant historical figures and events of Mexican Independence.
NASA
Nasa: Solar System Exploration: Planets: Venus
Comprehensive look at the planet Venus, with many useful facts, figures, photos, and related links. Provides an account of how Venus got it's name and a timeline of significant dates.
NASA
Nasa: Mercury: Overview: The Swiftest Planet
Comprehensive look at the planet Mercury, with many useful facts, figures, photos, and related links. Provides an account of how Mercury got it's name and a timeline of significant dates.
Sophia Learning
Sophia: Exact Numbers: Lesson 3
This lesson will define and explain how to identify an exact number. It is 3 of 4 in the series titled "Exact Numbers."
Buddha Dharma Education Association
Buddha Net: Avalokitesvara
An encyclopedia entry about the Buddhist Bodhisattva Avalokitesvara. It describes the significance of this figure in Buddhism.
World History Encyclopedia
World History Encyclopedia: Greek Medicine
Discusses the history of Greek medicine from ancient times, and the impact of important figures such as Hippocrates, Diocles of Carystus and Praxagoras of Cos. Some of the significant advances in diagnosis and treatment are described....
Texas Education Agency
Texas Gateway: The Gilded Age
Given background information, students will be able to identify economic, social, and political issues surrounding the Gilded Age. Students will identify significant historical figures associated with the Gilded Age.
Curated OER
Wikipedia: Natl Historic Landmarks in Tennessee: Beale Street Historic District
Birthplace of the blues style of music, Beale Street produced significant developments in African-American music and the music of the United States generally. W.C. Handy was a prominent Beale Street figure from when this was a lively...
Curated OER
Barbara Ann Scott
Barbara Ann Scott is Canada's only female figure skater to win an Olympic Gold Medal. The Celebrating Women's Achievement website from Canada's National Library and Archive profiles the skater nicknamed Canada's Sweetheart. After turning...