"The characteristics of circles as well as how to find the radius, diameter, circumference, and area of a circle are explained and illustrated in this geometry picture book"--

"Two kids explore the ups and downs of gravity in this introduction to physical science"--Provided by publisher.

Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our...

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

Introduces children to American currency values and the basics of adding and subtracting money.--

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.

"This introduction to the mathematical estimating and rounding explains the difference between the two, their uses, and gives directions for estimating and rounding."--

Introduces the physical properties of objects that sink or float and offers examples of them in everyday life, along with simple experiments to try at home.

Explains why time zones exist and when daylight savings time is observed, including little-known facts and historical lore.