Vocabulary: » Term: » Records: » ID: 844

Click image to see larger image	Padlock
Location	http://commons.wikimedia.org/wiki/Image:Padlock.jpg
Observations	A padlock on a door.
Explanations	Humans need to feel physically safe wherever they are, and especially in their own homes.
California Standards	Know organisms depend on their environments
National Standards	Basic needs of safety and security
Related NSF Exemplary Curriculum	Human body Human body systems Investigating human systems
Related Sets	Safety and security
Creative Commons License	This work is licensed under a Creative Commons Attribution 2.5 License.
Authors	Alyson Hurt None None
Publisher	None Jul 19 2003

This material is based upon work that was supported by the National Science Foundation under Grant No. 0127164 to California State University Fullerton. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of the National Science Foundation.