10 cosas que puedes hacer para ahorrar electricidad

California is home to the largest school system in the country. Students will learn about the history of California’s schools and higher education system with this nonfiction text that builds students’ reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features...

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.

Al oír contar la historia de los atentados del 11 de septiembre por un joven Maasai que estaba en Nueva York en aquel día, los miembros de la tribu deciden de donar al pueblo estadounidense catorce vacas sagradas como regalo curativo.

Se trata de una carpeta de anillas con 6 cuadernillos divididos por separadores. 1) Para empezar. 2) Unidades didácticas 1, 2 y 3. 3) Unidades didácticas 4, 5 y 6. 4) Unidades didácticas 7, 8 y 9. 5) Cuadernillo de evaluación. 6) Actividades complementarias.