Ants

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

¿Te gustan las búsquedas del tesoro? ¿Cómo sabes si el agua de un arroyo está limpia y saludable? Acompaña a Lucas y a su hermana mientras hacen de científicos en búsqueda de ciertos tipos de insectos de arroyo (macroinvertebrados acuáticos) que necesitan agua limpia y libre de contaminación para sobrevivir. ¿Qué encontrarán al voltear piedras, levantar hojas y buscar entre el lodo? Sigue leyendo para saber si su arroyo recibe una calificación de aprobación.

This title is an introductory look at vibrant toucans. Readers will learn about the number of species, what toucans look like, common habitats and habits, diet, and young. Complete with big, colorful photographs and more facts. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO. Translated by native Spanish speakers and immersion school educators.