CK-12 Physical Science - For Middle School

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

7.5 References

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


2. Water: Derek Jensen (Wikimedia: Tysto); Hydrogen peroxide: Robert Lopez; Girl blowing out candle: Image
   copyright arek_malang, 2013; Carbon monoxide detector: User:Sideroxylon/Wikimedia Commons. Water:
   http://commons.wikimedia.org/wiki/File:Glass-of-water.jpg; Hydrogen peroxide: CK-12; Girl blowing out
   candle: http://www.shutterstock.com; Carbon monoxide detector: http://commons.wikimedia.org/wiki/File:C
   O_detector.JPG. Water: Public Domain; Hydrogen peroxide: CC BY-NC; Girl blowing out candle: Used
   under licenses from Shutterstock.com; Carbon monoxide detector: Public Domain


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


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


5. Salt: Tony L Wong; Illustration: Christopher Auyeung (CK-12 Foudnation). http://www.flickr.com/photos
   /tonylwong/3954263897/. CC BY 2.0


6. Fireworks:Epic Fireworks; Battery: Lukas A, CZE; Others: Christopher Auyeung (CK-12 Foundation). Fire
   works: http://www.flickr.com/photos/epicfireworks/8838128619/; Battery: http://commons.wikimedia.org/wik
   i/File:Energizer_lithium.jpg. Fireworks: CC BY 2.0; Battery: Public Domain; Others: CC BY-NC 3.0


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


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


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


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


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


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


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


14. Derek Key. http://www.flickr.com/photos/derekskey/5249580870/. CC BY 2.0


15. Nate Silva. http://commons.wikimedia.org/wiki/File:Steel-bridge-800x600.JPG. Public Domain


16. Saxophone: Thor (Flickr:Geishaboy500); Sink: Granite Charlotte Countertops; Bracelet: Maegan Tintari; Sta-
    tus: Elliot Brown. Statue: http://www.flickr.com/photos/geishaboy500/1103796516/; Sink: http://www.flic
    kr.com/photos/46317749@N02/4403383547/; Bracelet: http://www.flickr.com/photos/lovemaegan/6877739921
    /; Status: http://www.flickr.com/photos/ell-r-brown/6277693589/. CC BY 2.0