Introduces several measuring systems such as the Egyptian system, the inch-pound system, and the metric system.

Fractions, decimals, and percents are everywhere! Just take a stroll around a county fair. There are reactions at the pie-eating contest, decimals in the arcade, and percent signs in the prize booth. Each time you see a fraction, decimal, or percent, you can easily convert it into its equivalent. This entertaining picture book is sure to earn 100% from math students and teachers.

Recounts the life of Daniel Boone, most famous for opening up the West to settlers through Kentucky, and shows how he became a symbol of America's pioneering spirit.

"An apple floats in a tub of water, but a ball of aluminum foil sinks to the bottom. But wait. If that same ball of foil is flattened out and shaped into a boat, it floats! How can that be? David A. Adler's clear, concise text and Anna Raff's delightful illustrations explain the basic principles of flotation and density in a way that will really sink in"--Front dust jacket flap.

"Two children learn about four different states of matter (solid, liquid, gas, and plasma) and what happens when matter changes form."--

A biography of the Shoshone woman who joined the Lewis and Clark Expedition.