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.

Some of the most powerful things in the world are so tiny they can't be seen with the naked eye! Readers will be amazed at what they see when they take a glance at the world of the mini but mighty in this stunningly fascinating Spanish-translated nonfiction title that features remarkable images and graphics, informational text, index, and glossary. Through these features, readers are able to explore and discover such micros as DNA, atoms, bacteria, phytoplankton, and nanotechnology items like nano-robots and microchips! This 6-Pack includes six copies of this title and a lesson plan.

You've probably heard of lions and tigers. Perhaps you've seen them at the zoo. But have you heard of the clouded leopard? This shy member of the cat family is an endangered species. Their shyness makes studying them a challenge for zookeepers and scientists. Find out why they are so special, and why they need our help. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through...

¡Se necesitan pocas palabras para contar historias bíblicas extraordinarias! Noé y el arca, David y Goliat, el nacimiento de Jesús... La Biblia tiene excelentes historias para que los pequeñitos las escuchen y aprendan. Estas 19 historias lo dicen todo en pocas palabras para que quienes recién empiezan a caminar las comprendan fácilmente y pidan sus favoritas una y otra vez. It only takes a few little words to tell some big Bible stories! Noah and the ark, David and Goliath, the birth of Jesus—the Bible has some big stories for little ones to hear and learn. These 19 stories say it...

In an online world where the amount of information seems to increase exponentially even week to week, student researchers can find it an ever-greater challenge to distinguish credible, vetted content from hearsay and misinformation. This book on citing internet sources will help them determine which online sources are trustworthy and which are not. Its lively and engaging instructional tips will help readers successfully negotiate the vast landscape of information out there. They will produce quality research for papers now and beyond in their academic careers with skill and confidence.