Bioética y tragedia humana (Con algunas reflexiones básicas sobre la vida y la m

Read Along or Enhanced eBook: Find out what surfers need to know to have fun and stay safe in the water in this engaging, Spanish-translated nonfiction title! Invite readers to learn about the history of surfing, surfing culture, what equipment is needed, and more using vibrant images and informational text in conjunction with math skills and upper-level features such as chapter format, a glossary of terms, and an index.

One of the skills employers want most in new hires is the ability to speak well. Public speaking can not only advance a person in almost any career but can also help an individual do better in school as well. Following the English Language Arts standards for Speaking and Listening, this book teaches readers why public speaking can be such an effective tool, how to craft a powerful speech, and how to overcome one of the most common problems people have with talking in front of a crowd�stage fright.

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. 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 every step of the engineering design process and is perfect for makerspace activities. It ...