CK-12-Physics-Concepts - Intermediate

6.4. References http://www.ck12.org

6.4 References

1. Courtesy of NASA. http://spaceflight.nasa.gov/gallery/images/gemini/gemini4/html/s65-30431.html.


2. Flickr:Image Editor. http://www.flickr.com/photos/11304375@N07/2818891443/.


3. Joy Sheng. CK-12 Foundation.


4. Joy Sheng. CK-12 Foundation.


5. Chris Burks (Wikimedia: Chetvorno). http://commons.wikimedia.org/wiki/File:Cavendish_Torsion_Balance
   _Diagram.svg.


6. Samantha Bacic. CK-12 Foundation.


7. Courtesy of NASA. http://www.nasa.gov/audience/forstudents/k-4/stories/what-is-the-iss-k4.html.