This 11x15" cloud chart is perfect for indoor and outdoor use! The laminated chart includes 20 colorful and coded photos on basic cloud formations. Reverse side includes additional weather information.
Vortex action? Potential energy being converted to kinetic energy? Centrifugal force? If you’ve never seen the Tornado Tube® in action you may n...
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Student grade bulb thermomer. Ranges from -35 to 50 degress celcius and -30 to 120 degrees fahrenheit. Measured in 2 degree subdivisions. Do not ...
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The New Weather Book From the practical to the pretty amazing, this book gives essential details into understanding what weather is, how it works, ...
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Now nature's most destructive force can be calmly observed. Shake the Pet Tornado™ clockwise and watch the funnel form. There's a handy chart on th...
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A what? Radiometer is just a fancy name for this Solar Engine. It demonstrates the principles of energy conversion and shows how heat and mechanica...
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