Weather

Vortex action? Potential energy being converted to kinetic energy? Centrifugal force? If you‚ have never seen the Tornado Tube in action you may no...

Student grade bulb thermomer. Ranges from -35 to 50 degress celcius and -30 to 120 degrees fahrenheit. Measured in 2 degree subdivisions. Do not ...

The Guidelines in this handy compact guide will enable you to make a quick and accurate weather forecast, which could be invaluable in survival o...

Relative humidity is a measure of the actual moisture content in the air, as compared to the greatest amount of moisture that air at same temperatu...

This 11x15" cloud chart is perfect for indoor and outdoor use! The laminated chart includes 20 colorful and coded photos on basic cloud formations....

Being able to read the clouds can help you prepare for outdoor adventures and make decisions when you're mid route. Cloud Investigator tool helps y...

Mount to a post or stick in the ground. Dual scale measures up to 6" or 15cm of rain.

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...

Have you ever wondered what happens in the eye of a tornado or how hurricanes gain their strength? From lightning and snow-day blizzards to rainbow...

Waterford's series of Pocket Naturalist Guides to plants, animals, and other aspects of nature highlight the most common, distinctive, and widely d...

Weather is all around us, always changing all the time. Dazzling photos enhance this clear introduction to the many faces of this powerful force ...

This spirit filled soil probe thermometer is suitable for measuring the temperature of soil and compost, ideal for the horticulturist ...

More than 400 black and white photographs and line drawings illustrate every kind of atmospheric phenomenon: clouds of every type; storms, from clo...