Low-cost, teacher-tested activities for the classroom and the curious.
Science of Cooking • Explore the science behind food and cooking with recipes, activities, and Webcasts.
Is it just a glorified plank with roller skate wheels on it? Or is it a highly engineered device through which kids have reclaimed the urban landscape, bringing creativity and style back to the sterile asphalt spaces of sprawl?
Use this handy conversion calculator to convert between the many units found in recipes.
There's more to polar ice than just frozen water. Learn about the many varieties of ice found at the poles and how and where they form.
This stuff can't make up its mind -- is it a liquid or a solid?
Close your eyes – and open your ears.
by Kevin Boyd • November 10, 2015
A giant blob of warm water means no crab for Christmas.
Experiment with water, temperature, and light to see what makes a seed come out of its shell.
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