Window to the Universe: http://www.windows.ucar.edu/tour/link=/physical_science/physics/physics.html
Physics 4 Kids: http://www.physics4kids.com/
Physics - SMILE program - tons of great activities: http://www.iit.edu/~smile/physinde.html
Physics - more great links: http://www.aboutschool.com/bcphysics.htm
GRAVITY LAUNCH Game and Lesson: See Learn More: http://www.sciencenetlinks.com/Esheet.cfm?DocID=111
Page before Gravity Launch teaches about Thrust: http://www.sciencenetlinks.com/Esheet.cfm?DocID=111
Interactive Gravity Module: http://www.engineeringinteract.org/resources/parkworldplot/flash/concepts/gravity.htm
Center of Gravity: http://wright.nasa.gov/airplane/cg.html
Questions and Answers about Gravity: http://helios.gsfc.nasa.gov/qa_gp_gr.html
WorldBook gravity: http://www.nasa.gov/worldbook/gravitation_worldbook.html
WorldBook gravity for students: http://www.nasa.gov/worldbook/wbkids/k_gravity.html
Kids Science News on Gravity: http://ksnn.larc.nasa.gov/k2/s_whatGravity.html
NASA page for educators: http://www.nasa.gov/audience/foreducators/topnav/materials/listbysubject/Gravity_landingpage.html
Human Powered flight - Paul McCready - Gossamer Condor: http://web.mit.edu/invent/www/ima/maccready_video.html
Human power - bikes: http://www.speedbikebgl.de/eng/sbc2004e.html
International Human Powered Vehicle Association: http://www.ihpva.org/
Roller Coaster Interactive - Glencoe: http://highered.mcgraw-hill.com/sites/0078617049/student_view0/unit4/webquest.html
Build a Roller Coaster: http://www.learner.org/interactives/parkphysics/coaster.html
Glencoe 2002 Newton's Laws of Motion: http://www.glencoe.com/sec/science/lep_science/lep2002/national/ips/wwwlinks/weblinks.php?iRef=651&iChapter=7&iUnit=1635&iUnitNumber=3&iArticle=651
Movie and Quiz - acceleration: http://www.kidsknowit.com/interactive-educational-movies/free-online-movies.php?movie=Acceleration
Interactive Science of Motion: http://www.weizmann.ac.il/youthact/english/motion.htm
Northop Grumman Shipbilders - Ingalls shipyard: http://www.sb.northropgrumman.com/about/index.html
How do boats float: http://boatsafe.com/kids/021598kidsques.htm
Archimedes Principle and Buoyancy: http://www.brighthub.com/engineering/marine/articles/19774.aspx
How does a cruise ship float: http://www.ehow.com/how-does_4912447_cruise-ship-float.html
How do planes fly: NASA storybook: http://www.nasa.gov/audience/forstudents/k-4/stories/ames-how-planes-fly-slideshow.html
Science Kids: http://www.cs.dartmouth.edu/farid/sciencekids/fly.html
How stuff Works: http://www.howstuffworks.com/airplane.htm
How do planes fly: http://www.allstar.fiu.edu/aero/airflylvl3.htm
Physicslink.com How planes fly: http://www.physlink.com/Education/AskExperts/ae25.cfm?CFID=5092651&CFTOKEN=58632631