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.
Introduces readers to map symbols and scales and their many uses, especially in daily life. Features labeled infographics that highlight special features on the map to enhance reader understanding. Additional features include colorful photos, captions, a table of contents, a phonetic glossary, sources for further research, and an index.
Introduces readers to wetlands and important animals and plants that live there. Learn how wetlands benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research.
Introduces readers to the tundra and important animals and plants that live there. Learn how the tundra benefits the rest of the world and the threats it faces. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research.
Introduces readers to rain forests and important animals that live there. Learn how rain forests benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research.
Introduces readers to seashores and important animals and plants that live there. Learn how seashores benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research.
Introduces readers to mountains and important animals and plants that live there. Learn how mountains benefit the rest of the world and the threats they face. Additional features include a STEM activity or craft, an infographic, Did You Know boxes, a phonetic glossary, an index, an introduction to the author, and sources for further research.