Describes the evolution of television. An introduction explains how television is used and when it came to be a part of daily life. The remaining chapters detail eras in the development of television up until the present day. Additional features include a table of contents, a fast-facts section, sidebars, an infographic, prompts for critical thinking, a phonetic glossary, an index, information about the author, and sources for further research.
Describes the evolution of telephones. An introduction explains how telephones are used and when they came to be a part of daily life. The remaining chapters detail eras in the development of telephones up until the present day. Additional features include a table of contents, a fast-facts section, sidebars, an infographic, prompts for critical thinking, a phonetic glossary, an index, information about the author, and sources for further research.
Describes the evolution of computers. An introduction explains how computers are used and when they came to be a part of daily life. The remaining chapters detail eras in the development of computers up until the present day. Additional features include a table of contents, a fast-facts section, sidebars, an infographic, prompts for critical thinking, a phonetic glossary, an index, information about the author, and sources for further research.
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.
Describes the national bird of the United States and how it came to be symbolic of the country. 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.
What can scientists learn from an ancient fossil of two dinosaurs locked in battle? Plenty! One of those dinosaurs was a Velociraptor, a 'quick thief' and predator of the Cretaceous period. Like the scientists who study Velociraptor, young readers will discover how much eighty-million-year-old bones still have to say! Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
When you think of dinosaurs, do you think of ferocious meat-eaters terrorizing everything around them? If so, you were probably imagining the Tyrannosaurus Rex, the 'tyrant lizard' of its time. But if you think you know everything there is to know about T. Rex, think again! Learn about the many sides of this mighty dinosaur. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
In 1888, scientists searching for dinosaur bones found an enormous head like none they had ever seen before. They named it Triceratops, meaning 'three-horned face.' As they discovered more bones, they learned more and more about this 'new' dinosaur. With this book, you too can go back in time millions of years to explore the world of Triceratops. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Compelling narrative nonfiction text presents the story of the Voyager space probes, featuring the intrigue and excitement behind the missions. Additional features to aid comprehension include a table of contents, fact-filled captions and callouts, infographics, a glossary, a listing of source notes, sources for further research, and an introduction to the author.
Gives readers a behind-the-scenes look at the invention of the cotton gin. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Gives readers a behind-the-scenes look at the invention of the transistor. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Gives readers a behind-the-scenes look at the invention of the airplane. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Gives readers a behind-the-scenes look at the invention of the assembly line. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Compelling narrative nonfiction text presents the story of the first moon landing, featuring the intrigue and excitement behind the mission. Additional features to aid comprehension include a table of contents, fact-filled captions and callouts, infographics, a glossary, a listing of source notes, sources for further research, and an introduction to the author.
Gives readers a behind-the-scenes look at the building of the Transcontinental Railroad. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Gives readers a behind-the-scenes look at the building of the Hoover Dam. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Gives readers a behind-the-scenes look at the building of the Golden Gate Bridge. Additional features include a table of contents, a Fast Facts spread, critical-thinking questions, primary source quotes and accompanying source notes, a phonetic glossary, an index, and sources for further research.
Have you ever tried putting together a puzzle without knowing what it would look like when you had finished? If you have, you know what Othniel Charles Marsh felt like as he put together the bones and plates of a Stegosaurus he had discovered. Follow Stegosaurus from its life on Earth millions of years ago to its reconstruction in a museum--bones, plates, and all! Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Spinosaurus was a truly unique dinosaur. But it has certainly left behind plenty of questions for scientists to answer! Students will enjoy developing their own conclusions about the life and times of this spiny lizard. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Scientists who study dinosaurs often have to be good detectives. And like detectives, they sometimes come to the wrong conclusions. That's what happened when George Olson discovered the first Oviraptor fossil. Learn why Olson named the new dinosaur 'egg stealer' and how later scientists finally uncovered the truth about Oviraptor. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
The story of the Maiasaura is a story of good mothers, both dinosaur and human! One good mom's discovery of Maiasaura bones changed the ideas of many scientists about how some dinosaurs cared for their young. Find out for yourself what made Maiasaura such a good dino parent. Would you like one as your mother? Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Life was often difficult for the Iguanodon. It couldn't fight larger dinosaurs with sharp teeth or pointy spikes. Even thunderstorms could pose a danger. Learn how Iguanodon survived on Earth for nearly twenty million years and why its fossils have been discovered all over the planet. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
We think of dinosaurs as big and ferocious. Yet the name Compsognathus means 'pretty jaw!' Learn about this strange little dinosaur, from its life in the Jurassic period millions of years ago to the first discovery of its delicate fossil in Germany. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Imagine walking down the street and running into an Ankylosaurus. Its heavy, plated body and thick spines would surprise anybody! But despite its size and armor, this 'stiff lizard' could move pretty quickly when it needed to. Discover how Ankylosaurus continues to surprise scientists--and unsuspecting readers--to this day. Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
Find out how the enormous, plant-eating Apatosaurus gained the name 'deceptive lizard.' Learn what role it played in 'The Great Bone Wars' of the 1870s. Follow the many changing theories surrounding Apatosaurus, and come up with your own ideas about what life was like for this strange and mysterious dinosaur! Additional features to enhance comprehension include informative sidebars, a glossary of key words and phrases, sources for further research, a Did-You-Know section, and an overview of the geologic time scale.
