This fascinating book explains the patterns and cycles created on Earth by the influence of the Sun and the Moon, as well as by the Earth's magnetic poles and the planet's rotation on an axis. Informative text, vivid photographs, and detailed diagrams help explain patterns such as day and night, the four seasons, the lunar cycle, the rise and fall of tides, and weather cycles.
From the telegraph to text messages, this imaginative title is sure to have students talking! The ways in which people communicate has changed dramatically. The telephone to a cell phone, and mail to email are just some of the inventions examined in a progressive timeline of ways we communicate.
From sound effects in video games and movies to surround-sound theatres, this fact-filled book explores the many ways audio engineers apply the science of sound. Readers will explore how sound travels and the characteristics of sound waves. Readers will also learn how to combine their understanding of sound science and the engineering design process to tackle a design challenge of their own.
Human activities have a huge impact on the Earth. Environmental engineers apply traditional engineering practices to help improve and prevent damage from humans and the waste we create to ecosystems and our environment. Readers will learn about how environmental engineering began, and the many processes environmental engineers apply to find sustainable solutions to problems. Real-life examples help students understand key concepts related to this important profession.
Lenses, lasers, microscopes, telescopeslight engineers design all these products to help make our lives easier. In this enlightening title, students explore the many uses of optics and the design process of turning a bright idea into a reality. With an overview of the engineering design process, readers are encouraged to apply the same steps into their own optical challenge.
Historically, farming was a very taxing, physical task. Bright-minded individuals revolutionized agriculture with inventions that eased tasks and sped up production. The advent of milestone machines such as Eli Whitney's cotton gin are chronologically explored in this stimulating title.
This exciting book describes the geological makeup and history of the Mojave Desert in the United States. Located in the states of California, Nevada, Utah, and Arizona, there are several national parks in the desert including Death Valley, the hottest place in North America. Readers will learn about the people, plants, and animals such as cougars, scorpions, and rattlesnakes that inhabit this desert habitat. The Mojave Desert is also a windy place where wind farms have been set up to generate electricity. Special sections describe the desert's natural resources, such as borax, silver, and gold, and the unique problems facing this region.
This Level 3 guided reader introduces basic facts about octopuses, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This Level 3 guided reader introduces basic facts about moray eels, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This Level 3 guided reader introduces basic facts about penguins, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This Level 3 guided reader introduces basic facts about rays, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This Level 3 guided reader introduces basic facts about jellyfish, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
Bugs and insects have always fascinated children. This book in the Creepy Crawly Critters series introduces young readers to ants. Readers can discover physical characteristics, habitat, diet, and more.
Introduces facts about anacondas, including physical features, habitat, life cycle, food, and threats to these rainforest creatures. Photos, captions, and keywords supplement the narrative of this informational text. Questions in the backmatter ask for text-dependent analysis.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book readers will learn about the role adjectives play in sentences by following the story of Tom and his sister, Kate, who visit the zoo with their Uncle Mike. The story and activity sidebars help teach concepts such using adjectives to provide description and detail, understanding word relationships, identifying common types of adjectives, and making comparisons using comparative and superlative adjectives.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book, readers will learn about the function interjections have in sentences by following the story of Will and Lauren, who visit a museum to see dinosaur skeletons. The story and activity sidebars help teach concepts such as correct punctuation, capitalization, and how words or phrases can have particular effects.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book, readers will learn about the function nouns have in sentences by following the story of Steve and Judy, who join their father on a trip to the grocery store. The story and activity sidebars help introduce concepts such as abstract nouns, subject-verb agreement, and singular and plural nouns.
Introduces facts about chimpanzees, including physical features, habitat, life cycle, food, and threats to these rainforest creatures. Photos, captions, and keywords supplement the narrative of this informational text. Questions in the backmatter ask for text-dependent analysis.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book, readers will learn about the function adverbs have in sentences by following the story of Lucy and Jon, teammates on a soccer team competing for the local championship. The story and activity sidebars help introduce concepts such as how to use adverbs for description or explanation and how to tell the difference between adjectives and adverbs.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book, readers will learn about the role conjunctions play in sentences by following the story of Nancy, a girl who brings her family to see her work on display at an art show. The story and activity sidebars help introduce concepts such as correct punctuation and the use of coordinating and subordinating conjunctions.
The ability to recognize and correctly use the different parts of speech is key to demonstrating command of the conventions of standard English grammar and usage when writing or speaking. In this book, readers will learn about the function pronouns have in sentences by following the story of Sam and his visiting cousins, Jim and Anna. The story and supplemental activity sidebars help teach concepts such as tense, correct punctuation, relative pronouns, and pronoun-antecedent agreement.
This Level 3 guided reader introduces basic facts about beluga whales, including their physical characteristics, diet, and habitat. Simple callouts ask the student to think in new ways, supporting inquiry-based reading. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
The mountain gorillas of Central Africa are a critically endangered species because of poaching, hunting, habitat loss, exposure to human diseases, and war. Readers will find out more about how people are working together to save these animals through habitat conservation and education.
At one time, the howling of gray wolves was a common sound throughout North America. Readers will learn more about these pack animals and what brought them to the edge of extinction. They will also find out more about the steps that have been taken to reintroduce gray wolves to the territories where they once roamed freely.
With fascinating information and facts, alongside beautiful pictures, students will learn about the Karner Blue Butterfly, its status on the endangered species list, why it has become endangered, and how it is planning on staging a comeback on the road to recovery.