Readers learn how this simple machine makes it easier to split things apart or stop them from moving. They learn how thicker wedges need more force to split something apart than thinner wedges. By the end of the book, readers know the difference between complex and simple machines and how wedges are used in everyday life to make work easier.
Explore the colorful customs, people, and places of Vermont. With straightforward text and captivating photos, this book is a great introduction to the state. Maps and symbols are included to enrich the student's understanding of geography and state identity.
A basic introduction to the planet Venus, its size, composition, and place within our solar system.
While Velociprator means 'quick thief,' did this small dinosaur actually steal its food? Find the answer to this and other questions in this fascinating book.
The name Triceratops means 'three-horned face.' It's easy to see how this dinosaur got its name! Learn what Triceratops ate, where it lived, and more.
Explore the colorful customs, people, and places of Utah. With straightforward text and captivating photos, this book is a great introduction to the state. Maps and symbols are included to enrich the student's understanding of geography and state identity.
A very simple introduction to the life and accomplishments of noted scientist and inventor Thomas Alva Edison.
A basic introduction to the sun, its size, composition, and place within our solar system.
Explore the colorful customs, people, and places of Texas. With straightforward text and captivating photos, this book is a great introduction to the state. Maps and symbols are included to enrich the student's understanding of geography and state identity.
Explore the colorful customs, people, and places of Tennessee. With straightforward text and captivating photos, this book is a great introduction to the state. Maps and symbols are included to enrich the student's understanding of geography and state identity.
Explains what the water cycle is; describes the scientific method; and includes experiments testing different water cycle concepts.
Explains what taste and digestion are and how they work; describes the scientific method; and includes experiments testing different taste and digestion concepts.
Explains what plants are and how they grow; describes the scientific method; and includes experiments testing different plant concepts.
Explains what magnets are and their properties; describes the scientific method; and includes experiments testing different magnet concepts.
Explains what matter is and its different states; describes the scientific method; and includes experiments testing different matter concepts.
Explains what sound is, how it travels, and how we hear sound; describes the scientific method; and includes experiments testing different sound concepts.
Explains what simple machines are and what they do; describes the scientific method; and includes experiments testing different simple machine concepts.
Explains what soil is made from and what it contains; describes the scientific method; and includes experiments testing different soil concepts.
Explains what light and vision are; describes the scientific method; and includes experiments testing different light and vision concepts.
Explains what life cycles are and how plants and animals grow; describes the scientific method; and includes experiments testing different life cycle concepts.
Explains what insects are and how they live and grow; describes the scientific method; and includes experiments testing different insect concepts.
Did you know that a Stegosaurus weighed more than a pickup truck? Or that despite its fierce looks, it ate only plants? Learn more inside.
How did Spinosaurus get its name? What did it eat? Find the answers to these questions and more in this fact-filled book!
Drink it. Spill it. Splash it. Water is wet. But water changes as it warms up and cools down. This simple, colorful book teaches kids about the three forms of water.
Why did the astronaut take a mop into space? To clean up the stardust! How is a telephone like the planet Saturn? They both have rings! Kids are sure to enjoy reading and telling these out-of this-world jokes.
