¿Comen hierba los tigres?

Plants are the living things that have been on the planet longer. How do they manage to protect themselves if they can't move? Explore the different mechanisms that plants use to survive in different habitats.

Describes the Boston Tea Party, including the events leading up to the party, its immediate effects on American-British relations, and why it is still an important event today.

A água está tão presente em nossas vidas que deixamos de vê-la, ela se faz transparente; mas a verdade é que hoje - mais do que nunca - precisamos cuidar desse valioso recurso de forma sustentável. A Xylem Inc., por meio de seu programa Watermark, lança uma nova publicação, O grande livro da água, um convite à descoberta de muitas coisas sobre esse elemento vital e atualmente ameaçado, desde suas propriedades como molécula até a forma em que chega aos nossos lares. Esperamos que este livro seja uma contribuição para a nossa região latino-americana e que, através de suas...

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.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the events that lead to the American Revolution. With a visually appealing layout, this ESL book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and...