Abejas, por dentro y por fuera

Introduces the many levels of government leadership in the United States and discusses the presidency, Congress, state and local governments, and the judiciary.

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...

A human hand is found in the zoo's elephant enclosure. The rest of the teacher and ardent environmentalist turns up on the lawn. Although admired by his students, nearly everyone else seems to have a reason to want him dead.

Ven, acércate. Comprueba que nadie está escuchando. Te voy a contar un secreto... En las páginas de este libro se han escondido muchas matemáticas. Son traviesas, misteriosas y divertidas. Se han disfrazado de cuentos y aventuras. Pero seguro que tú, que tienes cara de ser muy inteligente, las vas a descubrir... ¿Te atreves? Dale la mano a Mati, acompaña a Sal y a Ven, y no olvides acariciar a Gauss de vez en cuando, que es muy mimoso. Vamos, ven: a la una, a las dos... ...¡y a las tres!