Hacer hielo: Comprobar tu trabajo (Making Ice: Checking Your Work)

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!

Updated for 2020, large photos and playful text will have young tots howling, growling, and mooing right along with this book.

This nonfiction Spanish book teaches students about the earth’s cycles, and introduces them to important scientific concepts and vocabulary terms like combustion, hydrosphere, biosphere, and fossil fuels. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

"Por medio de prosa simple y dulce, y las ilustaciones vivas, de este tierno libro anima al comportamiento positivo así muestra a los niños que fácil y gratificante es expresar como ser simpatico, apreciado, y amado todos los días."--Fishpond.com.au.