Mujeres en las ciencias (Women in Science)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Pterodáctilos son una de las criaturas más fascinantes de la antigüedad. Este texto incluye hechos fascinantes acerca de estos folletos lujosos en un formato accesible. Diagramas, preguntas de pensamiento crítico y otras características inspiran el aprendizaje visual y el compromiso. Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement.

Suitable for training advanced level students in writing texts in different styles and registers in Spanish

Reveals the truth about cannibalism in pre-Columbian America, avoiding sensationalism and opting for historical accuracy on a matter that has been subjected to all sorts of misinterpretations as well as mistaken beliefs.

Learn the history of number systems with this engaging Spanish book! This text combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn place value while reading about the number systems of the Egyptians and Romans, and also learn important vocabulary terms like cuneiform, binary systems, roman numerals, and more! The full-color images, math charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and...