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 Book Talks About How Everyone Has Problems And How Most Problems Have Solutions. How It Is Important To Stop And Think, Get All The Facts , And Be Better Prepared To Solve A Problem When It Happens To Them. Complete K-5 Social Skills Collection. Paired With A Fiction Social Skills Title.

In this exciting, Spanish-translated nonfiction book, readers learn about the Wright Brothers, the history of aviation, how air travel has changed the way people work and live, and the important parts that make the plane fly! Using informational text, vibrant photos, an interesting timeline, and intriguing facts, this book will have readers wanting to learn everything they can about airplanes!

During the XVII and XVIII centuries, there were great thinkers who risked their freedom and their lives over their revolutionary ideas. Take a look at the philosophers that were the pillars of both modern thinking and science: Galileo, Hobbes, Newton, and many more. They dared to question the norm.

Princesses must always be perfectly dressed. Whether it's for a walk on the lake, under the Northern Lights or for a wedding at an ice palace, what matters is having the right style. With the beautiful stickers that you will find in this book, you can dress these princesses for every occasion.