España, ayer y hoy + CD-ROM

Life In America's First Settlements Was Dangerous. Wars Between Colonies, Native Tribes, Disease, And Food Shortages Made Survival A Challenge. Features Primary Sources, Historical Images, Chart, And Maps. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards

In English and Spanish, build empathy in children; guide them to show they care by listening to others and respecting their feelings. Empathy is key to positive, healthy relationships. In clear, child-friendly words and illustrations, this English-Spanish bilingual book helps children understand that other people have feelings like theirs—and different from theirs. It guides children to show they care by listening to others and respecting their feelings. Includes questions to discuss and empathy games to play, in both English and Spanish. ​The Learning to Get Along® Series The Learning...

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

Interesting facts and experiments explore the dynamics of a race car engine to teach about air flow and drag, safety equipment and roll cages, the fuel system and horsepower, suspension and track bars, internal combustion, why race cars don't have speedometers, how roof flaps are designed like airplane wings, and more.