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Science Buddies
Science Buddies: Using Weather Balloon Data to Map Atmospheric Temperature
Snow-capped mountains make a picturesque scene, especially in summertime when the peaks are in such contrast to the warmth below. This project shows you a way to see how temperature changes with altitude using data collected twice daily...
Science Buddies
Science Buddies: Make Your Own Psychrometer
From the name, you might guess that a psychrometer is an instrument designed to measure your thoughts. Actually, it is an instrument that can help you forecast the weather. Read more to find out how it works.
Other
California Energy Commission: Science Projects: Make an Anemometer
Nice brief description of this wind speed device and the directions to make your own.
TryEngineering
Try Engineering: Making Sense of Sensors
Lesson explore sensors focusing on ones that measure humidity. Students work in teams to design, build, test, and evaluate a hygrometer which was made out of everyday materials to measure humidity levels.