Other
Physics.org: A Gecko Wouldn't Fall Off the Ceiling
Physics phenomenons explained in common terms. A terrific way for non-scientists to understand van der Waal forces.
Khan Academy
Khan Academy: Test Prep: Mcat: Chemical Processes: Covalent Bonds: Intramolecular and Intermolecular Forces
Explains what intramolecular and intermolecular forces are and the different types for each. Includes lots of examples.
University of Arizona
University of Arizona: Bonds Tutorial
A tutorial on covalent bonds and intermolecular forces. A good summary weak forces, including Van der Waals forces and an excellent illustration showing the relative strengths of different forces and bonds.
Concord Consortium
Concord Consortium: Molecular Workbench: Sputtering
Adjust the incident ion variables in this simulation to observe the sputter yield from the target.
Sophia Learning
Sophia: Atomic Radius: Lesson 3
This lesson will define atomic radius. It is 3 of 3 in the series titled "Atomic Radius."
Concord Consortium
Concord Consortium: Molecular Workbench: Van Der Waal Bonds and Duct Tape
Adjust the peeling force in this simulation to see how the van der Waals bonds break while peeling a piece of duct tape off of a surface.
Concord Consortium
Concord Consortium: Molecular Workbench: Crack Propagation & Fracture
Cut various sections of a substance in this simulation to observe how the substance will crack and fracture at a molecular level.
Sophia Learning
Sophia: Atomic Radius: Lesson 2
This lesson will define atomic radius. It is 2 of 3 in the series titled "Atomic Radius."