The most important lenses in your world is the one in each of your eyes. How your eyes adapt to focusing on near and far objects is a practical example of refraction and lenses.
Momentum in Space
Momentum and conservation of momentum demonstrated on the International Space Station:
Simultaniety
Time is relative. From different frames of reference observers can experience what appears to be contrasting viewpoints:
Infinite Hotel Paradox
This is a great video demonstrating the concept of “infinity”
Workplace Safety
Safety while out in a work placement is important. This video won first place in PEI and although all science co-op placements are unique it is still worth watching:
Acceleration and mass
What will happen to a balloon pendulum in a car when the car accelerates?
Work, Kinetic and Potential Energy
Work, kinetic and potential energy powerpoints:
Momentum and Impulse
Momentum, impulse and the conservation of momentum explained in the following powerpoints:
Optics Powerpoints
Here are several optics concepts covered in the following powerpoints:
Waves powerpoints
Here are a number of wave concepts