Scientists who have studied light and sound over the last few centuries invented many things that we still use today. Thomas Young, for example, proved that light moves in waves and invented prescription eyeglasses. The study of sound has led to inventions like the telephone and hearing aids. Thomas Edison studied both light and sound and invented such things as a long-lasting light bulb, the phonograph, and the first recording machine.
The Midwestern United States was nicknamed â€œThe Dust Bowlâ€ in the 1930s because years of drought devastated the region. This book teaches why droughts happen, how they affect living things, and the importance of conserving water. Blastoff! Series
Here is the "autobiography" of the universe - the early history of the universe narrated by the universe itself. Beginning with the big bang and ending with the formation of Earth, this first volume of a trilogy is a thrilling story of chaos and creativity. Particles become galaxies. Mother stars explode in supernovas, creating elements, the building blocks of life. Morgan studied at Princeton and has a degree in theology from the University of San Francisco.
Did you know that helicopters can fly forward, backward, and side-to-side? Or that the wingspan of a jumbo jet is almost twice as long as the distance of the Wright Brothers' first flight? Since recorded time, man has looked to the sky and dreamed of ways to fly there. A is for Airplane: An Aviation Alphabet celebrates the roots, inventions, and spirit of the science of flight. Young readers will learn about famous events such as the Spirit of St. Louis's nonstop flight across the Atlantic Ocean and the launch of Columbia STS-1 (the first space shuttle), as well as meet courageous aviators who broke barriers in the air and on Earth like the Tuskegee Airmen and Amelia Earhart. Aircraft of all kinds, including giant airships, wind-dependent gliders, and awe-inspiring F-16s, are depicted in spectacular artwork. The glory of flight is brought to stunning life.As a teacher, parent, and published author Mary Ann McCabe Riehle has encouraged young students and adults to follow their dreams and tell their stories. A is for Aviation is her third children's book. A featured author and speaker at several reading and writing conferences, Mary Ann lives in Dexter, Michigan. David Craig is an avid history buff and his remarkable skill at depicting historical events and people has led to diverse projects including collector's plates and a millennial champagne label. His children's book, First to Fly, the story of the Wright Brothers, won the inaugural James Madison Book Award. David lives in Mississauga, Ontario.
This book features bold, vivid illustrations and a repetitive story line to familiarize readers with various species of dinosaurs
Did you know pumpkins have been around for 11,000 years? Or that the biggest pumpkin on record weighed over 1,300 pounds? Learn all about pumpkins,Äîwhere they come from, how to grow them, and more,Äîin this informative book that's guaranteed to squash the competition. Recipes, fun facts, and resources round out the text.
Los pandas se salvan de un terremoto es una historia de ficción basada en un suceso de la vida real. En la vida real, XiXi, un panda gigante se escapó de La Reserva Natural para Pandas en Wolong destruída cuando el terremoto de 7.9 estremeció el Norte de China el 12 de mayo del 2008. La autora Phyllis Perry utiliza las aventuras de ficción de una mamá panda, LiLing, y su cachorro de un año, Tengfei, para enseñarles a los niños acerca de los terremotos, la supervivencia animal, y el refuerzo del instinto maternal para proteger a su bebé. Después del terremoto, la madre y el cachorro corrieron lejos de las ruinas. Confundidos y asustados, ¡ellos se pierden! ¿Cómo sobrevivirán fuera de su reserva animal? ¿Encontrarán comida? ¿Encontrarán un lugar donde refugiarse? ¿Y sobrevivirán a las réplicas?