Citations
Acceleration due to gravity- Vista, Tutor. "Acceleration Due to Gravity." TutorVista.com Over 7,939,000 live tutoring sessions served!. Tutor Vista . Web. 16 Apr 2013. <http://physics.tutorvista.com/motion/acceleration-due-to-gravity.html>.
Adherence-
Modern Language Association (MLA):
"adherence." Dictionary.com Unabridged. Random House, Inc. 02 Apr. 2013. <Dictionary.com http://dictionary.reference.com/browse/adherence>.
Institute of Electrical and Electronics Engineers (IEEE):
Aesthetics-
Modern Language Association (MLA):
"aesthetics." Dictionary.com Unabridged. Random House, Inc. 16 Apr. 2013. <Dictionary.com http://dictionary.reference.com/browse/aesthetics>.
Analyze:
Modern Language Association (MLA):
"analyze." Dictionary.com Unabridged. Random House, Inc. 16 Apr. 2013. <Dictionary.com http://dictionary.reference.com/browse/analyze>.
Brainstorming: Modern Language Association (MLA):
"Brainstorming." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/Brainstorming>.
Criteria: Modern Language Association (MLA):
"criteria." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/criteria>.
Conservation of Momentum- Modern Language Association (MLA):
"Conservation of Momentum." Collins English Dictionary - Complete & Unabridged 10th Edition. HarperCollins Publishers. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/Conservation of Momentum>.
Conventional- "conventional." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/conventional>.
Critical- "critical." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/critical>.
Design loop- Education, Pearson. "Key Terms." Prentice Hall. Pearson Prentice Hall, n.d. Web. 7 May 2013. <http://wps.prenhall.com/esm_clarke_gsgis_4/7/1848/473320.cw/index.html>.
Durability- "durability." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/durability>.
"engineering." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/engineering>.
"force." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/force>.
"free fall." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/free fall>.
"gravity." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/gravity>.
"idea." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/idea>.
"innovation." Collins English Dictionary - Complete & Unabridged 10th Edition. HarperCollins Publishers. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/innovation>.
"invention." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/invention>.
"momentum." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/momentum>.
"motion." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/motion>.
"performance." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/performance>.
"practical." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/practical>.
"process." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/process>.
"prototype." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/prototype>.
"research." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/research>.
"rolling friction." Collins English Dictionary - Complete & Unabridged 10th Edition. HarperCollins Publishers. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/rolling friction>.
"sliding friction." Collins English Dictionary - Complete & Unabridged 10th Edition. HarperCollins Publishers. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/sliding friction>.
"solution." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/solution>.
"specification." Dictionary.com Unabridged. Random House, Inc. 07 May. 2013. <Dictionary.com http://dictionary.reference.com/browse/specification>
Dalkin, John. Silhouette Roller coaster. 2007. Photograph. Flickr, Blackpool Pleasure Beach, England. Web. 21 May 2013. <http://www.flickriver.com/photos/59303791@N00/1149100055/>..