The shape of a prism's base determines how many sides it has. Bees use hexagonal prisms to make h...

The flat bottom of a cone is called a base. Some factories can make 150,000 ice cream cones every...

Pyramids

12 Birds Back from the Brink

Explains the process and materials that spiders use to build webs. This book's colorful photos, c...

'What kind of robot can help scientists explore terrain on Mars, collect data about space, and ph...

12 Marine Animals Back from the Brink

A cylinder is made up of both flat and curved surfaces. Steamrollers use cylinders to move and to...

Davy Crockett was a popular American frontiersman. People told wild stories about his strength an...

Siamese cats are known to be very playful. Some Siamese cats are cross-eyed. Learn more about the...

Wonders of the World leads young readers on a fascinating tour of some of the worlds greatest geo...

There are many types of living things to study. How do scientists keep track? They classify them!...