Which weighs more, a pound of feathers or a pound of gold? You probably said, "Ha, you can't fool me! A pound is a pound. They both weigh the same!" Sorry, you're wrong. A pound of feathers weighs...
Ounces and pounds
In the English, or customary, system of measurement, bread, butter, people, and many other things are weighed in ounces and pounds. But why are there sixteen ounces in a pound? And why do ounce and...
How long, how fast, how hot, how heavy?
Feet and meters, pounds and grams Hours and months and days. How did we come to measure things In so many different ways? It all goes back to long ago, In many ancient lands, When people began to...
Giant fish
Most of the fish you see are probably no more than a foot or two (30-60 centimeters) in length. But some fish are giants. Some of the biggest fish are sharks. The very biggest fish in the ocean is...