Cómo actuar de manera informada (How to Take Informed Action)

A journey into the ocean’s depths to learn about these fascinating animals: their habitat, how they breathe and swim, and how pollution and trade affect their existence. En esta obra se describe acerca de la vida de las ballenas y delfines: De que tamano son, como son y los lugares que habitan. Los alimentos que consumen, si poseen dientes y su el tamano. A la que familia pertenecen. Sobre su respiración y formas de nadar. Sobre los bebes de las ballenas y delfines. Los lugares que recorren durante el invierno y verano.ó Los sonidos que emiten las ballenas y delfines, sus acrobacias,...

An elementary introduction to the workings of the human body, the skeleton, skin, circulation, and nervous system.

A family wants to share a pizza, but who gets how much? And how do they know? The answer is mathematical equations! Mathematical equations can be applied to food measurement, the human body, and even outer space! Students will answer different questions on mathematical equations in the book Comenzó con una pizza (It Started With Pizza). Used in the classroom or at home, this Spanish text includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills while they are engaged in reading high-interest content.

Define planos inclinados, explica sus funciones, y sugiere experimentos sencillos para demostrar cómo funcionan.