Make colored shadows
http://www.physicsclassroom.com/Physics-Interactives/Light-and-Color/Colored-Shadows
Dot pattern for gravity
http://www.stmary.ws/HighSchool/Physics/home/animations3/gravityIntro5.htm
Explore value of g on other planets
Find your weight
Investigate F = ma with/without friction
http://www.physicsclassroom.com/Physics-Interactives/Newtons-Laws/Force/Force-Exercise-1
Effect of friction, air resistance, force on motion of sled
http://www.physicsclassroom.com/Physics-Interactives/Newtons-Laws/Rocket-Sledder
Relate graphs, FBD, dot diagames
http://www.physicsclassroom.com/Concept-Builders/Newtons-Laws/Which-One-Doesnt-Belong
Change weight, size of parachute, see change in terminal velocity
https://simbucket.com/skydivingtpc/
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