La carrera para colonizar el Nuevo Mundo (Racing to Colonize the New World)

What does the phrase "once in a blue moon" refer to? What is the difference between a waning gibbous moon and a waning crescent moon? What is the atmosphere on the Moon like? How does the Moon create tides? Students will learn the answers to these questions and more as they read all about the Moon! This nonfiction Spanish book introduces students to important scientific concepts and vocabulary as they are engaged in reading. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the fun lab activity...

Muddy Creek in Edgewater, Maryland is the site of a major makeover. The land around the stream has worn down. Find out what caused Muddy Creek to erode, and the many steps involved in saving it. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational 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 of the engineering design process and is perfect for makerspace activities. It makes STEAM career connections by...

Técnico electricista 7 - Curso visual y práctico Mediciones eléctricas En esta clase veremos los fundamentos relacionados con la medición y los instrumentos utilizados para realizar estas tareas. Conoceremos las características del voltímetro, el multímetro y el vatímetro; también veremos el funcionamiento del megóhmetro, de los medidores de energía y del telurímetro, y los detalles de la pinza amperométrica. Para finalizar, entregaremos detalles relevantes sobre los sistemas de medición y conoceremos las unidades de medición más importantes en electricidad.

This delightfully whimsical story explains pregnancy to children. My Mommy's Water Balloon satisfies a child's natural curiosity about the changes in their Mommy's body while providing concepts that small children can understand, and making the real connections to the beautiful process of pregnancy.

An introduction to the night sky, describing major constellations and the planets of the solar system.