Natural selection is the process by which favorable heritable traits become more common in successive generations of a population, and unfavorable heritable traits become less common. We run a little demonstration to see how natural selection plays out o
Countries: CA
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Rolling Soup Can Race
Rolling soup cans down a ramp reveals a great deal about rotational motion and answers the age-old question: which accelerates faster – chicken noodle or chicken gumbo?
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Rolling Races
What will roll down a ramp faster – an empty jar or a jar full of water? What about a jar of water vs. a jar of jam? And what does it tell us about the physics of rotation?
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Hydraulics
Forces can be transmitted through liquids. These demonstrations illustrate how significant mechanical advantage can be built into a hydraulic system.
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Why is the Sky Blue?
Some simple demonstrations help us understand how sunlight is scattered as it passes through the atmosphere, and why blue light is scattered more than red!
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Pumpkin Ballistics
Let’s find out how to get maximum projectile distance out of an air-powered pumpkin cannon!
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Build a Model Particle Collider
A large metal tray, a few rare earth magnets, and some steel ball bearings are the essential components of a simple particle collider, suitable for accelerating the ball bearings to a respectable speed!
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Temperature Change Caused by Pressure Change in a Gas
Changing the pressure of a gas is accompanied by a temperature change. This segment illustrates everyday examples of
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Why Does Salt Melt Ice?
There is some remarkable chemistry at work when ice is exposed to salt. The ice melts, but why?
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What are Coins Made Of?
With the help of a magnet, we can undertake a simple exploration of the metallurgy of Canadian coins, particularly when it comes to the nickel content.