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 ...

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

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....

With this exciting kit, your students can explore six basic weather phenomena. Experiment with static electricity that causes lightning, make your ...

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...

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

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 ...

A user-friendly guide to weather and the natural wonders of the sky. Learn about lightning, 10 types of clouds, storms, solar halos, sundogs, and ...

16 million storms occur every year, all around the world. In a clear, concise text with spectacular full-color photographs, the author examines th...

In this kit, you can learn about alternative energy and sustainable living by conducting experiments and building energy-related models. Thirty of ...

Photovoltaic Energized Vehicles Build your own solar-powered models and discover how solar cells generate electricity from light. Build six solar ...

Did you ever try to photograph a snow- flake? This book is the result of a 50-year effort of photographer W.A. Bentley. Over 2000 beautiful crystal...