There are thousands of things going on right under your feet--but you probably didn't even know it! From bugs and worms to decaying matter, discover tons of 'Ack!'-inducing facts in this fascinating book.
Illustrates the differences between magnetic attraction and magnetic repulsion. Explains what causes attraction and repulsion and how they affect everyday life. Colorful photographs and diagrams help illustrate each science concept. A chart compares the concepts head-to-head to help solidify readers' grasp of the material. Additional features include a table of contents, a phonetic glossary, an index, and sources for further research.
Illustrates the differences between living and nonliving. Explains what makes an object living or nonliving and the features of both. Colorful photographs and diagrams help illustrate each science concept. A chart compares the concepts head-to-head to help solidify readers' grasp of the material. Additional features include a table of contents, a phonetic glossary, an index, and sources for further research.
Introduces young readers to the world of computer coding. How is code like a recipe? With real-world examples and labeled diagrams, learn about the basics of binary, the birth of coding languages, and the application of coding today. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Introduces young readers to debugging code. How is debugging code like finding a beetle in your computer? With real-world examples and labeled diagrams, learn about what a bug is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Introduces young readers to coding variables. How are variables like keeping track of money in a piggy bank? With real-world examples and labeled diagrams, learn about what a variable is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Illustrates the differences between light and dark. Explains how light and dark are created and how they affect everyday life. Colorful photographs and diagrams help illustrate each science concept. A chart compares the concepts head-to-head to help solidify readers' grasp of the material. Additional features include a table of contents, a phonetic glossary, an index, and sources for further research.
Offers readers a captivating look into the sun, complete with vivid photographs and exciting diagrams. Back matter includes an in-depth 'Out of This World' feature that highlights a related topic, a phonetic glossary, resources for further study, and an index.
Offers readers a captivating look into our solar system, complete with vivid photographs and exciting diagrams. Back matter includes an in-depth 'Out of This World' feature that highlights a related topic, a phonetic glossary, resources for further study, and an index.
Offers readers a captivating look into the moon, complete with vivid photographs and exciting diagrams. Back matter includes an in-depth 'Out of This World' feature that highlights a related topic, a phonetic glossary, resources for further study, and an index.
Introduces young readers to coding statements. How are statements like commands for a dog? With real-world examples and labeled diagrams, learn about what a statement is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Introduces young readers to coding selections. How are selections like coming to a fork in the road? With real-world examples and labeled diagrams, learn about what a selection is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Introduces young readers to coding loops. How are loops like doing chores? With real-world examples and labeled diagrams, learn about what a loop is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Introduces young readers to coding functions. How are functions like getting ready for bed? With real-world examples and labeled diagrams, learn about what a function is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Explores the similarities between toads and frogs, and how to tell them apart. Discover how traits like skin texture, methods of reproduction, and winter survival methods can be used to identify these hopping amphibians. Additional features include a side-by-side comparison of the animals, an activity encouraging readers to demonstrate their knowledge, a phonetic glossary, sources for further reading, an introduction to the author, and an index.
Offers readers a captivating look into the race between the United States and Soviet Union for space dominance. Learn about the many missions into space and humankind's first journey to the moon. Additional features include a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, resources for further study, and an index.
Introduces young readers to coding sequences. How are sequences like a treasure hunt? With real-world examples and labeled diagrams, learn about what a sequence is in code, what it looks like, and how it works. Additional features include a table of contents, a phonetic glossary, a reading quiz, an index, and sources for further research.
Explores the similarities between puffins and penguins, and how to tell them apart. Discover how traits like habitat, ability to fly, and beak shape can be used to identify these black and white sea birds. Additional features include a side-by-side comparison of the animals, an activity encouraging readers to demonstrate their knowledge, a phonetic glossary, sources for further reading, an introduction to the author, and an index.
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.
Explores the similarities between llamas and alpacas, and how to tell them apart. Discover how traits like face shape, temperament, and wool texture can be used to identify these South American farm animals. Additional features include a side-by-side comparison of the animals, an activity encouraging readers to demonstrate their knowledge, a phonetic glossary, sources for further reading, an introduction to the author, and an index.
Offers readers a captivating look into the personal race of James Cameron as he strives to reach the deepest part of the Pacific Ocean. Learn about how Cameron created a submarine to take him far below the ocean's surface, and what he saw there. Additional features include a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, resources for further study, and an index.
Offers readers a captivating look into the race to develop and use renewable energy sources. Learn about how the United States is using energy from the sun, wind, and other sources to fight climate change. Additional features include a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, resources for further study, and an index.
Offers readers a captivating look into the race for the United States to become energy independent. Learn about the energy sources used throughout the United States and efforts to become less dependent on foreign countries for energy. Additional features include a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, resources for further study, and an index.
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.