Discover what it's like on the surface of the red planet and find out how space missions have helped scientists learn more about it.
Learn all about Jupiter, our solar system's largest planet, and its many moons.
Find out about the closest planet to the Sun and learn why its years are so short.
Travel to the far reaches of our solar system and learn about this distant, gaseous world.
Learn all about the distant planet Uranus and its many moons and rings.
Venus is the closest planet to Earth, and it is also very similar in size. Learn all about "Earth's twin".
Learn how to plan and ask fascinating interview questions.
The reader follows a student's journal as the student learns about oil and coal as an energy source, including how we used oil and coal in the past, how we use it today, and how we may use oil and coal in the future.
The reader follows a student's journal as the student learns about the history of solar power, how solar power is used as an energy source today, and the exciting future of solar energy.
The reader follows a student's journal as the student interviews experts about wind power as an energy source. This engaging book covers wind power's history, how we use wind power today, and how we may use the wind as an energy source in the future.
Sometimes it can be difficult to find the information you are looking for in a text. Readers of this book will discover tips and tricks for proficiently comprehending informational texts and carefully searching them for the knowledge they need. They will find out how informational texts are organized, how to identify important points and key details, and how to demonstrate understanding of a text using information from both illustrations and text.
Real-world examples and engaging activities guide readers in learning about measuring temperature. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.
Real-world examples and engaging activities guide readers in learning about measuring time from an analog and digital clock using a.m. and p.m. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.
Real-world examples and engaging activities guide readers in learning about measuring time with a calendar. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.
Real-world examples and engaging activities guide readers in learning about measuring volume. Readers practice selecting appropriate measuring tools and units of measurement, converting between units, and solving problems by measuring.
This book details the life of the dinosaur known as Maiasaura. Readers will develop word recognition and reading skills while learning when Maiasaura lived and what it likely looked like. They will also find out how it lived, from what it ate to how it dealt with enemies. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This book details the life of the dinosaur known as Spinosaurus. Readers will develop word recognition and reading skills while learning when Spinosaurus lived and what it likely looked like. They will also find out how it lived, from what it ate to how it dealt with enemies. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.
This book details the life of the dinosaur known as Ichthyosaur. Readers will develop word recognition and reading skills while learning when Ichthyosaur lived and what it likely looked like. They will also find out how it lived, from what it ate to how it dealt with enemies. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words.