CK-12 Physical Science - For Middle School

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

24.3 References

1. Max Talbot-Minkin. http://www.flickr.com/photos/maxtm/6823667554/. CC-BY 2.0


2. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


3. Marc Spooner. http://www.flickr.com/photos/marcspooner/5287991784/. CC BY 2.0


4. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


5. Neil Piddock (Flickr: piddy77). http://www.flickr.com/photos/piddysplace/145287597/. CC BY 2.0


6. Christopher Auyeung. CK-12 Foundation. CC BY-NC 3.0


7. Magnet and paperclip: User:Havelock/He.Wikipedia; Magnet and nail: Christopher Auyeung. Magnet and
   paperclip: http://commons.wikimedia.org/wiki/File:Magpins1.JPG; Magnet and nail: CK-12 Foundation.
   Magnet and paperclip: The copyright holder of this file allows anyone to use it for any purpose, provided that
   the copyright holder is properly attributed; Magnet and nail: CC BY-NC 3.0


8. Left: User:Teravolt/Wikipedia; Right: User:Yug/Wikimedia Commons. Left: http://commons.wikimedia.o
   rg/wiki/File:Lodestone_%28black%29.jpg; Right: http://commons.wikimedia.org/wiki/File:Anticchinese-
   Compass.jpg. Left: CC BY 3.0; Right: Public Domain


9. Flickr:Alberto.... http://www.flickr.com/photos/albertoalerigi/2886121661/. CC BY 2.0


10. Laura Guerin. CK-12 Foundation. CC BY-NC 3.0


11. Laura Guerin. CK-12 Foundation. CC BY-NC 3.0


12. Laura Guerin. CK-12 Foundation. CC BY-NC 3.0


13. Christopher Auyeung (CK-12 Foundation), using Earth clip art by yeKcim from Open Clip Art Library. Eart
    h: http://commons.wikimedia.org/wiki/File:Earth_clip_art.svg. CC BY-NC 3.0 (Earth svg released into the
    public domain)


14. Courtesy of the U.S. Geological Survey. http://commons.wikimedia.org/wiki/File:Oceanic.Stripe.Magnetic.A
    nomalies.Scheme.gif. Public Domain


15. Laura Guerin. CK-12 Foundation. CC BY-NC 3.0


16. Flickr:Biillyboy. http://commons.wikimedia.org/wiki/File:Sylviaborin%28%C3%96rebro_County%29.jpg
    . CC BY 2.0