OpenStax
Open Stax: Anatomy & Physiology: Nervous System Control of Muscle Tension
The following site provides information regarding the nervous system's control of muscle tension.
Curated OER
Kids Health: Arrhythmias
A wealth of information on arrhythmias. Find out about the kinds of arrhythmias, causes, and treatments.
University of Toronto (Canada)
Harrison/special Theory of Relativity
This page provides an incredibly detailed description of Albert Einstein's Special Theory of Relativity. Definitely an excellent website with great pictures and examples!
PBS
Pbs Learning Media: All Planet Sizes
This illustration from the Lunar and Planetary Laboratory shows the approximate sizes of the planets relative to each other. Note that the planets are not shown at appropriate distances from the Sun.
TED Talks
Ted: Ted Ed: What Are Those Floaty Things in Your Eye?
Sometimes, against a uniform, bright background such as a clear sky or a blank computer screen, you might see things floating across your field of vision. What are these moving objects, and how are you seeing them? This video explains...
University of New South Wales (Australia)
University of New South Wales: Einstein Light
Einstein Light highlights the Theory of Special Relativity and related topics. Learn how Galileo, Maxwell, and Einstein contributed to our knowledge of relativity, electricity, magnetism, and time by watching fun, interactive modules.
Georgia Department of Education
Ga Virtual Learning: Grammar Ii and Technical Writing: Apostrophe
This lesson focuses on the rules for apostrophe use. It includes a list of rules and examples of apostrophe use and links to a website on apostrophe rules.
University of Texas at Austin
University of Texas: Francais Interactif
This full-featured interactive textbook encounter utilizes French speakers in real life scenarios. Well structured for work on grammatical concepts (links to Tex's French Grammar), vocabulary, listening comprehension and exposure to...
Libre Text
Libre Texts: Physics: Distortion of Space and Time
If the speed of light remains a constant then time and distance change. Oh, it can be confusing! This text will help clear up the confusion. Discussion questions should serve to reinforce comprehension.and exercises
Robin L. Simmons
Grammar Bytes: Rules for Finding and Fixing Apostrophe Errors
Rules and examples to demonstrate proper use of apostrophes to show possession, form contractions, and make irregular plurals.
Other
World Wide Words: Possessive Apostrophes
This site discusses the misuse of the apostrophe, such as using an apostrophe in a word which is a simple plural, now known as "greengrocer's apostrophe", the contraction it/it's, who's/whose, etc. A trend toward dropping the possessive...
CNN
Cnn Money: Does a Recession Loom?
What caused the economic recession of 2001? According to this CNN Money article, a lack of consumer confidence to spend money, poor corporate performace, contraction in the manufacturing and retail sales sectors, and job layoffs.
Texas Education Agency
Texas Gateway: Overview of Compound Words
This resource has two sections: Overview of Contractions, and video demonstration. It provides downloads of the following: lesson plan, lesson materials, word list, and video transcript.
School Express
Schoolexpress.com: Grammar Worksheets
This site provides a comprehensive index of printable grammar worksheets. Each topic has an extensive list of worksheets to choose from. Topics include abbreviations, alphabetizing, parts of speech, classifying, punctuation, prefixes,...
Capital Community College Foundation
Guide to Grammar and Writing: Principles of Composition
If you are a teacher OR a student looking for a well-informed website on elements of the writing process, you are in luck! This site from the Capital Community College is very comprehensive and easy-to-navigate. From grammar basics to...
Online Writing Lab at Purdue University
Purdue University Owl: The Apostrophe
This site focuses on the three uses for apostrophes: forming possessives of nouns, forming plurals of lowercase letters, and showing omission of letters and provides examples of each.
Capital Community College Foundation
Guide to Grammar and Writing: The Apostrophe
What is an apostrophe? Where are apostrophes found in writing? Use this website to learn more about these crazy little punctuation marks.
Online Writing Lab at Purdue University
Purdue University Owl: Possessive Pronoun and Apostrophe
This Purdue Online Writing Lab article explains the three uses of the apostrophe.
Biology Pages
Kimball's Biology Pages: Muscles
Everything you've ever needed to know about muscles. To be used as classroom notes or a supplement for learning.
Other
Illinois State U.: Punctuation Made Simple Apostrophes
What is an apostrophe and how is it used properly in punctuation? "Punctuation Made Simple," gives some concrete examples for apostrophe use.
Other
Bellevue Community College: Apostrophes [Pdf]
Resource explains the three uses of the apostrophe and provides examples. Requires Adobe Reader. [PDF]
University of Virginia
University Virginia/time Dilation: A Worked Example
Here's a solved problem in time dilation. It's still not easy to follow, but it's doable. The math is not difficult, but the mathematical thinking is demanding.
Bartleby
Bartleby.com: Einstein "Relativity: The Special and General Theory"
This page presents the actual text of Albert Einstein's book "Relativity: The Special and General Theory." Just click on the chapter titles to read the text.
American Chemical Society
American Chemical Society: Best of Wonder Science: Balloon Bath [Pdf]
An experiment to determine what happens to the air inside a balloon when it is heated or cooled.
Other popular searches
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