C鏔o mejorar tus discursos (Strengthening Public Speaking Skills)

When the Japanese attacked Pearl Harbor in 1941, it prompted the United States to enter World War II on multiple fronts. From Africa to Europe, the Pacific to the home front, explore the American experience of World War II through the first-hand documents of the war.

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this 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...

Can you spot the shapes on a birdhouse? How many shapes can you find? Beginning readers will enjoy learning basic shapes including circles, triangles, squares, and hexagons with this brightly illustrated Spanish book. With simple, repetitive text, this full-color text uses real-world examples to teach basic math concepts. Beginning readers will develop their math and reading skills and be introduced to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning...

A Swedish engineer arrives in Tenerife on a business trip. But it is Carnival time. Ullman soon learns that, during Carnival, one had better join the celebration.