Matemáticas en Marte (Math on Mars)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

When many think of the Constitution, they think of the Founding Fathers: Thomas Jefferson, John Adams, Benjamin Franklin...but neither Jefferson nor Adams even signed it. Facts like this will surprise readers, while further information will enlighten them about both the crucial document called the U.S. Constitution as well as about its creation and ratification. This essential volume is a significant addition to any elementary social studies collection.

Un nuevo formato para la serie middle grade de ciencia más divertida. Pachi y su papá son fanáticos de la cocina, ¡y ahora compartirán sus recetas contigo! Además de entregarte la preparación de platos dulces, salados y algunos un tanto extraños, te revelarán cuál es la ciencia detrás de la cocina. ¿Por qué la cebolla no hace llorar si se corta cuando está hervida? ¿Por qué las frutas maduran? ¿Por qué pica el ají? ¡¿Por qué hay personas que sienten el cilantro con sabor a jabón? Sí!, ¡¡¡JABÓN!!! Encuentra respuesta a estas y otras preguntas raras junto a la...

Highlighting the increasing loss of values that modern society is suffering, a unique guide teaches the attributes of tolerance, communication, respect, and equality--keys to a happier coexistence and life.

Many people depend on blue crabs from the Chesapeake Bay for their jobs. But overfishing and changes in the blue crabs' habitats have reduced their numbers. Learn how scientists have stepped in to study these blue beauties so that they can keep a healthy crab population. 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...