Un día de trabajo de un biólogo molecular (A Day at Work with a Molecular Biologist)

Summer is the time for sunshine and sand, long days, and of course, vacation! Welcome in Summer with this delightful fiction title, which features a narrator and the fun activities they explore with their family and friends. Readers learn all about what makes Summer special and are encouraged to draw connections between the text and their own lives. Colorful illustrations allow readers to visualize concepts presented in the text, bringing this engaging narrative to life. Simple, age appropriate language is perfect for young readers.

Presenta a los jóvenes lectores con una variedad de datos sobre los medios de transporte, incluyendo camiones, coches, barcos, trenes y aviones.

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

LA ALIANZA DE TANIS es el primero de una saga de tres libros. El segundo se llamará EL SIMPLE BESO DE UN ÁNGEL, que continúa la historia ocho años después del primero. La lucha entre LOS REMENDORES y el Cardenal se pone en su punto más álgido. El tercer libro, JESÚS Y NEXUS, transcurre veintidós años después a partir del segundo libro . El mundo que conocemos ha cambiado y los niños, ahora adultos, se enfrentan a una sucesión de problemas que amenazarán sus vidas. Con este último se dará fin a esta trilogía.

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...