Conservación de la masa (Conservation of Mass)

Light can travel faster than anything else in the universe. But what exactly is light, and where does it come from? This nonfiction Spanish book teaches students all about light, and introduces them to important scientific concepts and vocabulary terms like infrared, ultraviolet, photos, and visible spectrum. 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....

This nonfiction Spanish book teaches students about energy, and introduces them to important scientific concepts and vocabulary terms like amplitude, frequency, infrasound, transverse waves, and supersonic. 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.

Este libro educacional cuenta la historia de una chica en busca de la respuesta a una gran pregunta: ï¿1/2Por quï¿1/2 el agua vale la pena? Enfrascada en su libro, llevarï¿1/2 a los jï¿1/2venes lectores a travï¿1/2s del mundo del agua limpia, su gestiï¿1/2n y la importancia de todos los que trabajan juntos para mantenerla. Escrito para un pï¿1/2blico entre 4 y 8 aï¿1/2os, busca atraer tambiï¿1/2n a lectores de todas las edades. Este libro emplea divertidas ilustraciones y un texto en rima para dar una explicaciï¿1/2n simple de un complejo proceso, a la vez que anima a...

Este hermoso libro es acerca de una historia de amistad entre un mosquito y un elefante. Hermosas ilustraciones y una narración divertida.

Why do continents matter? From economics to weather science—and everything in between—knowing the characteristics of the continents expands readers’ perspectives in every school subject. This fundamental information is a building block of many future lessons and an essential part of elementary education. This book presents a focused, clear, age-appropriate look at Earth’s continents that young readers are sure to find both informative and interesting. This volume is also packed with colorful maps that are labeled and explained to foster young readers’ comprehension of this important...

Know Your NumbersFind the hidden numbers in these exciting counting books. Count by ones, twos, fives, and tens!