Weather vanes have arrows that point in the direction that wind is coming from, and this is achieved through differing surface areas on either side of the arrow. Discover how wind pushes the large surface area side of a weather vane around with help from a science teacher and field biologist in this free video on weather.
About the Author
Brian Erickson has a bachelor's degree in biology from Lewis & Clark College, and graduated with honors. During his college career, Erickson earned several awards and scholarships, including the Barry M. Goldwater Scholarship, Phi Betta Kappa, Morris K. Udall Scholarship, Pamplin Society of Fellows, Chemistry Student of the Year (honorable mention), and dean's list. He has taught 6th grade outdoor science school, led wilderness trips for over 4 years, and has 6 years of math, science and music tutoring experience. Furthermore, Erickson has more than five seasons of experience working as a field biologist in such places as St. Croix, Panama, the northwest Hawaiian Islands, northern Arizona and the Adirondack Mountains.