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.
A basic introduction to the planet Saturn, its size, composition, and place within our solar system.
Readers learn how this simple machine makes it easier to keep objects locked together. By the end of the book, readers know the difference between complex and simple machines and how screws are used in everyday life to make work easier.
Readers learn how this simple machine makes it easier to lift and lower objects. They learn about fixed and movable pulleys and when it is best to use each. By the end of the book, readers know the difference between complex and simple machines and how pulleys are used in everyday life to make work easier.
Amazing magnets are everywhere--on the refrigerator and inside machines and toys. Even Earth is a giant magnet! A magnet can be strong enough to lift a car. But magnets work only in a certain way. This simple, colorful book explores the attractive power of magnets.
What is electricity? How is it made? How does it end up in your house? This simple, colorful book teaches kids about the force that powers our world.
Oviraptor's name means 'egg thief.' Learn why scientists made a mistake when they named this dinosaur!
A very simple introduction to pianos, their history, what they sound like, what they look like, and how they are played.
A basic introduction to the planet Neptune, its size, composition, and place within our solar system.
In this book, readers learn what gravity is and how it impacts weight. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about balances, scales, and estimating weights.
In this book, readers learn what volume is and why and how it is measured. They learn about the US customary system and the metric system, where each is used, and the units of measurement in each system. Readers also learn about volumes of liquids and solids.
In this book, readers learn what temperature is and why and how it is measured. They learn about the Celsius and Fahrenheit scales and where each is used. Readers learn about thermometers and how they help us in everyday life--from taking body temperatures to regulating how cool or warm our homes are.
In this book, readers learn what the clock measures and why knowing how to tell time--in seconds, minutes, and hours--is important. They learn the history of the clocks, including sundials and hourglasses. They also learn how to read analog and digital clocks to tell time. Sidebars instruct math by showing readers how to add and subtract hours.
In this book, readers learn what the calendar measures and why knowing how to measure days, weeks, months, and years is important. They learn the history of the lunar and solar calendars, how days and months get their names, and the different calendars around the world. Sidebars instruct math by showing readers how to add and subtract days.
A basic introduction to the planet Mars, its size, composition, and place within our solar system.
Maisaura's name means 'good mother lizard.' Find out why scientists believe these dinosaurs were such good moms.
Air may be invisible, but it's a powerful force all around us. Air makes wind. It carries sound and smells. It lets us breathe. This simple, colorful book teaches kids all about amazing air.
Readers learn how this simple machine makes it easier to lift, lower, and open things. They learn the three types of levers: first-class, second-class, and third-class. By the end of the book, readers know the difference between complex and simple machines and how levers are used in everyday life to make work easier.
A basic introduction to the planet Jupiter, its size, composition, and place within our solar system.
Readers learn how this simple machine makes it easier to move things to different levels. They learn how flatter slopes use less effort than steeper slopes. By the end of the book, readers know the difference between complex and simple machines and how inclined planes are used in everyday life to make lifting and lowering objects easier.
Iguanodon was one of the first dinosaurs that had the ability to chew its food. Learn more facts about this unique and very social dinosaur in this interesting book.
Watch as Opal Owl and Stew Rabbit learn to use search engines to find information online, evaluate online resources, and discover the difference between fact and opinion.
Learn along with Opal Owl and Stew Rabbit how to find, check out, and return e-books from a library using an e-reader.
