Exploratorium
Exploratorium: Science Snacks: Marshmallow Puff Tube
An engineering design process project where you will try different lengths of cardboard tubes to see how far you can blow a marshmallow. Project uses Newton's principles of unbalanced force to shoot the marshmallow far.
Physics Classroom
The Physics Classroom: Vectors: Inclined Planes
Through examples and interactive practice problems, this physics tutorial helps students understand how forces behave on an object on an inclined plane.