Animations and simulations:
Energy Skate Park: Basics

Videos:
Work (force: in same direction | at an angle)
Kinetic Energy
Potential Energy
Nuclear Energy

Stacked ball drop
Mechanical equivalent of heat

Storing solar power on a roof

Shedding Light on Energy (series)

Videos:
Scalars and Vectors
Collisions (1986)
Khan Academy videos
World's First Car!

Bullets Hitting Bullets

Simulations:
Collision Lab
Dartbox

Extra questions:
EnergyMomentumQuestions
EnergyMomentumAnswers

Topic 4: Energy and Momentum

Forces and Momentum