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Also, check for ratings, reviews or endorsements of your sources by professional societies and organizations.

Example

Health Course Textbook

The open textbook content selected for a health education course from Medline Plus  is subject to Quality Guidelines .

To determine quality and reliability of other health sources on the internet, look for the HONcode badge on the website. Websites that adhere to HONcode principles of the HON Foundation can post this badge.  Be sure to  verify  the authenticity of the badge. 

For additional health information that has been reviewed for quality, see the HEAL Reviewed Collection .

Step four

Task

Organize open content that you have collected into an open textbook.  If the content you have selected does not comply with ADA Section 508 accessibility requirements and copyright laws, then you will need to modify the content or select other content. 

Accessibility  

Certain accessibility requirements must be addressed when selecting and developing OER for electronic dissemination to students. By law, ADA Section 508 , learning materials, including interfaces, images, sounds, multimedia elements, and all other forms of information, must be made available for used by anyone, regardless of disability. Detailed information about accessibility guidelines are available at Web Accessibility Initiative (WAI) and the Americans with Disabilities Act (ADA) .

Certain accessibility requirements must be addressed when developing OER for electronic dissemination to students.  For example, see Distance Education: Access Guidelines for Students with Disabilities from the Chancellor’s Office California Community Colleges.

By law, ADA Section 508 , learning materials, including interfaces, images, sounds, multimedia elements, and all other forms of information, must be made available for used by anyone, regardless of disability.  See this microtutorial about Section 508: (External Link)

Detailed information about accessibility guidelines are available at Web Accessibility Initiative (WAI) and the Americans with Disabilities Act (ADA) .

Questions & Answers

A golfer on a fairway is 70 m away from the green, which sits below the level of the fairway by 20 m. If the golfer hits the ball at an angle of 40° with an initial speed of 20 m/s, how close to the green does she come?
Aislinn Reply
cm
tijani
what is titration
John Reply
what is physics
Siyaka Reply
A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance
Jude Reply
Can you compute that for me. Ty
Jude
what is the dimension formula of energy?
David Reply
what is viscosity?
David
what is inorganic
emma Reply
what is chemistry
Youesf Reply
what is inorganic
emma
Chemistry is a branch of science that deals with the study of matter,it composition,it structure and the changes it undergoes
Adjei
please, I'm a physics student and I need help in physics
Adjanou
chemistry could also be understood like the sexual attraction/repulsion of the male and female elements. the reaction varies depending on the energy differences of each given gender. + masculine -female.
Pedro
A ball is thrown straight up.it passes a 2.0m high window 7.50 m off the ground on it path up and takes 1.30 s to go past the window.what was the ball initial velocity
Krampah Reply
2. A sled plus passenger with total mass 50 kg is pulled 20 m across the snow (0.20) at constant velocity by a force directed 25° above the horizontal. Calculate (a) the work of the applied force, (b) the work of friction, and (c) the total work.
Sahid Reply
you have been hired as an espert witness in a court case involving an automobile accident. the accident involved car A of mass 1500kg which crashed into stationary car B of mass 1100kg. the driver of car A applied his brakes 15 m before he skidded and crashed into car B. after the collision, car A s
Samuel Reply
can someone explain to me, an ignorant high school student, why the trend of the graph doesn't follow the fact that the higher frequency a sound wave is, the more power it is, hence, making me think the phons output would follow this general trend?
Joseph Reply
Nevermind i just realied that the graph is the phons output for a person with normal hearing and not just the phons output of the sound waves power, I should read the entire thing next time
Joseph
Follow up question, does anyone know where I can find a graph that accuretly depicts the actual relative "power" output of sound over its frequency instead of just humans hearing
Joseph
"Generation of electrical energy from sound energy | IEEE Conference Publication | IEEE Xplore" ***ieeexplore.ieee.org/document/7150687?reload=true
Ryan
what's motion
Maurice Reply
what are the types of wave
Maurice
answer
Magreth
progressive wave
Magreth
hello friend how are you
Muhammad Reply
fine, how about you?
Mohammed
hi
Mujahid
A string is 3.00 m long with a mass of 5.00 g. The string is held taut with a tension of 500.00 N applied to the string. A pulse is sent down the string. How long does it take the pulse to travel the 3.00 m of the string?
yasuo Reply
Who can show me the full solution in this problem?
Reofrir Reply
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Source:  OpenStax, Central eurasian tag. OpenStax CNX. Feb 08, 2009 Download for free at http://cnx.org/content/col10641/1.1
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