Student grade bulb thermomer. Ranges from -35 to 50 degress celcius and -30 to 120 degrees fahrenheit. Measured in 2 degree subdivisions. Do not ...View full details
Vortex action? Potential energy being converted to kinetic energy? Centrifugal force? If you’ve never seen the Tornado Tube® in action you may not ...View full details
Waterford’s series of Pocket Naturalist Guides to plants, animals, and other aspects of nature highlight the most common, distinctive, and widely d...View full details
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...View full details
Find out when and where to look with just the naked eye... you'll be amazed at how much of the galaxy you can see. Locate Orion, the well-known ...View full details
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