We currently rely on nonrenewable sources, such as oil, for most of our fuel. Scientists are working on new fuels from crops and other materials to help ease future dependence on nonrenewable More →
Grade 4 - 6
3077 records found. Displaying 251 - 260.
Some of the greatest inventions that changed the modern world have been based on nature. In Birds to Aircraft, readers will discover how the invention of the aircraft was inspired by the… More →
B is for Battle Cry: A Civil War Alphabet takes readers on a journey into one of the most important chapters of our nation's past. The Civil War was one of the bloodiest, most divisive events More →
The Great Lakes, with the rivers, canals, and channels that connect them, form one of the busiest waterways in the world. Lighthouses were needed to secure the safety of ships over these… More →
How much of Earth's surface is covered by water? How do the northern lights get their colors? Planet Earth has been home to mankind for hundreds of thousands of years and while scientists… More →
Libraries, like books and kids, come in all shapes and sizes and are as individual as every story and freckled face. Readers will learn about Kenya's Camel Library Service, Zimbabwe's Donkey… More →
"L is for lariat or lasso, a loop of rope coiled just so. Swing it wide or swing it low. Hook those horns and yell whoa!" Hold on to your hat and strap on your spurs! Cowpokes and buckaroos… More →
After being bitten by a highly advanced robot, Imran soon discovers that he has nanotechnology coursing through his veins. Now, able to do things that kids his age can only dream of, Imran… More →