A meter is slightly longer than a yard, or just a little longer than five Childcraft books placed flat, side by side. The word meter comes from a Greek word that means "measure." And it is from the...
Measuring wind speed
Weather forecasters, aviators, sailors, and some other people often need to know exactly how hard the wind is blowing. To find out, they use an instrument called an anemometer (an uh MAHM uh tuhr)....