Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

This nonfiction Spanish book teaches students about the earth’s cycles, and introduces them to important scientific concepts and vocabulary terms like combustion, hydrosphere, biosphere, and fossil fuels. The intriguing images, detailed diagrams, and stimulating sidebars will keep students connected to the text. The fun lab activity provides a real-world learning experience that supports STEM instruction. Aligned to state and national standards, the leveled text supports differentiation. Keep students reading with this fascinating Spanish book.

"Mauro se lleva bien con todos los animales del bosque, pero le gustaría tener un mejor amigo ..."--P. [4] of cover.

The unsinkable luxury liner known as the Titanic may have sunk on its first transatlantic voyage in 1912, but people remain riveted to its storied legend. The collision with the iceberg in the North Atlantic was not the only mistake that was made that day. In this spellbinding volume, readers will learn about the passengers and crew aboard the doomed ship and what really happened that tragic night. Historical photographs will transport them back to the glamorous era, while the narrative paints an absorbing picture of the Titanic's sad fate.

Muelle fue el primer grafitero de Madrid, una leyenda para todo el que pertenezca al mundillo del grafiti, que desafió a las autoridades atreviéndose a plasmar su inconfundible firma registrada incluso en la estatua del Oso y el Madroño. Spirit lo conoció. Por eso Luis, el protagonista de esta novela, le admira y quiere aprender de él. Aunque no pinte bien. Aunque a la chica que le gusta no le interesen los grafitis. Aunque al final la rivalidad entre pandas lo ensucie todo. Aunque el destino le tenga preparadas otras historias que ni se imagina.