All the Colors We are

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.

"This book covers the major drivers of the Latin American region's economy, including exports of agricultural products, petroleum and minerals, and manufactured goods, along with the service and tourism industries. Despite recent improvements, the Latin American economy remains dependent on commodity exports to the West, presenting a challenge to the region's long-term future. When used in the classroom, this resource provides readers with the tools they need to analyze concepts in economics and how they affect the countries of Latin America."

This nonfiction Spanish-translated reader gives children an in-depth look at what a career as a police officer is like. Readers will learn about various aspects of life as a police officer--from being accepted into the academy to keeping streets safe. Readers will learn what a typical day in the police academy is like as well as a day in the field as an officer. Through helpful charts and diagrams and colorful images in conjunction with informational text and stunning facts, readers discover important aspects of keeping communities safe, including what's inside the patrol car, K-9 units,...

¡¿Cómo es posible?! ¡Chillííí! En mi ausencia, el profesor Voltio ha instalado un sistema especial de seguridad y ahora estoy encerrado dentro de mi propia casa. ¿Quieres ayudarme a salir? Disponemos de un plano y de muchas pistas... ¡Será una aventura que te hará vibrar los bigotes! Un libro de actividades para pasarlo en grande.