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....

A comprehensive guide to the K-pop girl group who are taking the music world by storm. The sassiest, most stylish girls around - BLACKPINK! 'Blackpink in Your Area!' The K-pop girl group are taking their catchphrase literally; they have just finished a sold-out stadium world tour.

¿Qué tienen en común una abeja, una mariposa y una hormiga? ¡Son todos insectos! Conozca las características que comparten todos los insectos. What do a bee, a butterfly, and an ant have in common? They're all insects! Learn about the characteristics that all insects share.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

Search the tropical jungle for Tiger in this plastic-free touch and feel book. You'll discover beautiful endangered animals along the way! Welcome to the jungle! Let your little explorer take a journey through the hot and steamy forest to track down the rarely sighted Tiger. Say hello to elephants, rhinos, and orangutans in their natural habitat. But where could Tiger be? Is Tiger by the river? No, that's Elephant. Can you hear squawking coming from the treetops? Tigers don't squawk, that's Parrot! Only on the last page, will Tiger reveal himself. Your toddler will love meeting all of Tiger's ...