Describes the history of the Hoover Dam, why and how it was built, and how it works. Additional features include a table of contents, sidebars, infographics, Fast Facts, critical thinking questions, a phonetic glossary, an index, information about the author, and sources for further research.
Provides information about volcanoes, how they form, where they are, how they erupt, the damage they can cause, and the ways we can monitor them.
Examines tornadoes, their causes, where they occur, their characteristics, and the effects they produce.
Learn how sedimentary, igneous, and metamorphic rocks form, break apart, and change over time. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Learn what's in soil, how soil forms, and how soil helps plants, animals, and people. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Learn about types of sedimentary rocks, how they form, where they are found, and how we use them every day. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Learn about types of minerals, how they form, where they are found, and how we use them every day. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Learn about types of metamorphic rocks, how they form, where they are found, and how we use them every day. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Learn about types of igneous rocks, how they form, where they are found, and how we use them every day. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Provides information about the causes of hurricanes, where they occur, their characteristics, and the effects they produce.
Through fascinating true stories and illuminating photos, learn how people find the things they need to survive on--and get rescued from--a deserted island! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people prepare for (and react to) massive tsunamis to survive. Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Through fascinating true stories and illuminating photos, learn how people trapped in rubble (or other dangerous situations after an earthquake) survive against all odds! Additional features include a table of contents, informative sidebars, a glossary of key words and phrases, sources for further research, and an introduction to the author.
Learn about types of fossils, how they form, where they are found, and what they teach us about animals and plants. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Discusses what floods are, how they occur, and how to protect oneself when they happen.
Examines earthquakes, what they are, what causes them, and better means of monitoring them.
Provides information about the causes of droughts, where they occur, their characteristics, and the effects they produce.
Learn about types of crystals, how they form, where they are found, and how we use them every day. Additional features to aid comprehension include fact-filled captions and sidebars, detailed photographs, infographics or informational diagrams, a table of contents, a phonetic glossary, sources for further research, and an introduction to the author.
Discusses what avalanches are, how they occur, and how to protect oneself from avalanches.
Explore caves' layers from the dim entrance zone to the damp dark zone. Learn how life survives in caves' inhospitable conditions and how caves' spectacular structures form. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
Explore Earth's layers from the crust down to the inner core. Learn about tectonic plates, convection currents, Earth's magnetic field, and more. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning.
Introduces the water cycle and its impact on Earth. Readers will gain insight into how water moves around Earth, what water is made from, and how climate change impacts the cycle. Additional features include a diagram of the cycle, table of contents, a phonetic glossary, an index, an introduction to the author, and sources for further research.
A tour through California's Yosemite National Park introduces the park's flora, fauna, topography, history, weather, and attractions. Half Dome, El Capitan, the Merced River, Tuolumne Meadows, and John Muir are all discussed. Additional features to aid in comprehension include a table of contents, informative captions and sidebars, detailed maps, map legends, a phonetic glossary, sources for further research, and an index.
A tour through Yellowstone National Park introduces the park's flora, fauna, topography, history, weather, and attractions. Grand Loop Road, Uncle Tom's Trail, Isa Lake, and Shoshone influences are all discussed. Additional features to aid in comprehension include a table of contents, informative captions and sidebars, detailed maps, map legends, a phonetic glossary, sources for further research, and an index.
A tour through Hawai'i Volcanoes National Park introduces the park's flora, fauna, topography, history, weather, and attractions. Kilauea, Mauna Loa, Crater Rim Drive, Captain Cook, and Polynesian influences are all discussed, including the legend of Pele. Additional features to aid in comprehension include a table of contents, informative captions and sidebars, detailed maps, map legends, a phonetic glossary, sources for further research, and an index.