Our Dynamic Earth Guía Didáctica

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.

This magnificent book uses beautiful photography to help young children understand why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.

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...