"A vibrant account of how measurement has invisibly shaped our world, from ancient civilizations to the modern day. From the cubit to the kilogram, the humble inch to the speed of light, measurement is a powerful tool that humans invented to make sense of the world. In this revelatory work of science and social history, James Vincent dives into its hidden world, taking readers from ancient Egypt, where measuring the annual depth of the Nile was an...

When a dragon threatens to disrupt the life of the townspeople, a little girl challenges the scaly creature to a math contest involving knowledge of weight.

Introduces essential measurement units, from grams to pounds to tons.

To build a house or paint a room, a person must know how to calculate the area of the space. Readers will learn ways to calculate area using height and length through this book's understandable diagrams, illustrations, and photographs. Examples from real-world experiences will bring the exercises to life, and readers can apply their knowledge to solving the math problems featured throughout.

"Simple text and color photographs describe the units and tools used to measure weight"--

King Balbazar's kingdom has made a mess of measuring. Curtains are too long, robes are too short, and no one knows how to solve the problem. People measure length with everything from candlesticks to sausages to spoons. Finally, King Balbazar holds a contest. Who will come up with the winning unit of measurement-and what will it be?

Presents information about measuring containers scientists use for their own science experiments.

Illustrates the concept of big, bigger, and biggest by comparing the physical measurements of such large things as a blue whale, a mountain, a star, and the universe.

Introduces facts about the Moon, explaining the science behind how candles and balloons behave in the lunar atmosphere, why "moon angels" will last for thousands of years, and how gravity is different on the Moon.