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659 records found. Displaying 193 - 216.

What Makes a Building Strong?

Grade 1 - Grade 3

Space Cat is curious about how tools, technology, and engineering are used to keep buildings and structures from falling down. Read More →

  • Lexile: 770
  • Dewey: 624.1

What a Beautiful World!: The Earth's Layers

Kindergarten - Grade 4

Our world is big, beautiful, and amazing. Let's look at our lovely world by zooming down from outer space and into the ground. Then we'll travel further down to the bottom of the sea. Read More →

  • Lexile: 530
  • Dewey: 507

Why Is It Rusty?: Oxidation

Kindergarten - Grade 4

Yun wants to cut some paper, but her scissors won't cut. The scissors are rusty. What makes the scissors rusty? Let's find out why some metals rust and learn how to keep things from rusting. Read More →

  • Lexile: 550
  • Dewey: 540

If You Were the Moon

Kindergarten - Grade 2

What would you do if you were the moon? Do you think you would rest quietly in the night sky? Oh, no. The moon does so much more than you might imagine! It spins like a twilight ballerina… Read More →

  • Lexile: 790
  • ATOS: 4.1
  • Dewey: 523.3

Ambulancias en acción (Ambulances on the Go)

Preschool - Grade 1

Las ambulancias son importantes porque ayudan a la gente. ¿Cómo trabajan? Aprenda acerca de las ambulancias y los EMT que trabajan en ellos en esta introducción a la no ficción para los… Read More →

  • Lexile: 430
  • ATOS: 2.5
  • Dewey: 629.222/34

Astronauts: A Space Discovery Guide

Grade 4 - Grade 6

Did you know that astronauts work on Earth and in space to study places beyond our planet's atmosphere? But there's a lot more to space travel than just research. With no gravity, a wild… Read More →

  • Lexile: 1020
  • ATOS: 6.6
  • Dewey: 629.45009

Black Holes: A Space Discovery Guide

Grade 4 - Grade 6

Black holes are one of the greatest mysteries of outer space. No visible light can escape the strong gravity of a black hole. This makes black holes invisible—and very difficult to study. But… Read More →

  • Lexile: 1070
  • ATOS: 6.8
  • Dewey: 523.8/875

Bumba Books ™ en español — Diviértete con las estaciones (Season Fun)

Series

You can have fun in every season! Which one is your favorite? Learn about what people and animals do in each season with this Spanish-language edition series. Vibrant full-color photographs… Read More →

Bumba Books ™ en español — Máquinas en acción (Machines That Go)

Series

How do products get across the country? Who works in an ambulance? Learn about different kinds of machines and the people who operate them with this series, a Spanish-language introduction… Read More →

Camiones monstruo en acción (Monster Trucks on the Go)

Preschool - Grade 1

¡Choque! ¡Mira a ese camión monstruo! Aprenda sobre lo que hacen los camiones monstruosos y cómo funcionan. Esta edición ofrece emocionantes fotografías de color, un glosario de fotos para… Read More →

  • Lexile: 420
  • ATOS: 1.8
  • Dewey: 629.224

Carros de policía en acción (Police Cars on the Go)

Preschool - Grade 1

Los policías usan coches de la policía para ayudarnos a mantenernos a salvo. ¿Cómo funcionan los coches? Aprenda sobre los coches de la policía y los oficiales que los conducen en esta… Read More →

  • Lexile: 460
  • ATOS: 2.4
  • Dewey: 363.2/320284

Cloverleaf Books ™ — Space Adventures

Series

Come along on an adventure to outer space! Fueled by imagination, the enthusiastic characters in this series take thrilling journeys to the moon, Mars, the sun, and more! This approach… Read More →

De-Extinction: The Science of Bringing Lost Species Back to Life

Grade 8 - Grade 12

In the twenty-first century, because of climate change and other human activities, many animal species have become extinct, and many others are at risk of extinction. Once they are gone, we… Read More →

  • Lexile: 1140
  • ATOS: 8.2
  • Dewey: 591.68

Exoplanets: Worlds beyond Our Solar System

Grade 8 - Grade 12

Until the mid-1990s, scientists only guessed that the universe held exoplanets, or planets beyond our solar system. But using advanced physics and powerful telescopes, scientists have since… Read More →

  • Lexile: 1120
  • ATOS: 7.7
  • Dewey: 523.2/4

Garbage in Space: A Space Discovery Guide

Grade 4 - Grade 6

Did you know that companies and governments send more than one hundred satellites into space every year? And that most of those satellites continue to orbit Earth—even after they have stopped… Read More →

  • Lexile: 1090
  • ATOS: 6.9
  • Dewey: 363.72/80919

If Extinct Beasts Came to Life

Series

Many, many years ago, lots of strange, dangerous, and incredible creatures roamed the earth. These animals are now extinct, but what if we could bring them back to life? What would our world… Read More →

Mars Missions: A Space Discovery Guide

Grade 4 - Grade 6

Have you ever dreamed of walking on Mars? Or maybe even living there? Ever since Mars was discovered, people have wondered if there could be life on this mysterious red planet. For years… Read More →

  • Lexile: 950
  • ATOS: 6.2
  • Dewey: 523.43

Motocicletas en acción (Motorcycles on the Go)

Preschool - Grade 1

¡Vroom! Siga leyendo para aprender sobre las motocicletas y sus jinetes. Grandes características como fotografías de color, diagramas y un glosario de fotos ayudan a los lectores jóvenes a… Read More →

  • Lexile: 510
  • ATOS: 3.5
  • Dewey: 629.227/5

Ninja Plants: Survival and Adaptation in the Plant World

Grade 8 - Grade 12

What can communicate but has no mouth, and can attack but has no hands? A plant! You might love the beauty and fragrance of flowers, but plants are far more complex than meets the eye. Some… Read More →

  • Lexile: 1100
  • ATOS: 7.6
  • Dewey: 581.4/7

Plague!: Epidemics and Scourges Through the Ages

Grade 3 - Grade 6

Being sick is horrible. But it used to be worse. Inside this book, you'll see evidence of the plagues of the past—rotting skin, dissolving lungs, and sinister swelling all over the body… Read More →

  • Lexile: 1080
  • ATOS: 6.6
  • Dewey: 616.009

Pluto: A Space Discovery Guide

Grade 4 - Grade 6

Did you know that Pluto has mountains, glaciers, and even blue skies? In July 2015 a spacecraft called New Horizons finally reached Pluto—almost ten years after it had launched! The… Read More →

  • Lexile: 1070
  • ATOS: 6.5
  • Dewey: 523.49/22

Prehistoric Ancestors of Modern Animals

Grade 3 - Grade 6

What if elephants were as small as dogs? What if frogs were protected by armor? In prehistoric times, they were! In fact, other than a few unique changes, lots of prehistoric beasts looked… Read More →

  • Lexile: 970
  • Dewey: 560

Prehistoric Giants

Grade 3 - Grade 6

Gorillas can be pretty big, but just wait until you see Gigantopithecus. This huge ape lived 9 million years ago and was three times as heavy and two times as tall as a modern gorilla. There… Read More →

  • Lexile: 1020
  • Dewey: 560

Prehistoric Predators

Grade 3 - Grade 6

Did you know that dinosaurs weren't the only prehistoric beasts on Earth? Even before the time when dinosaurs lived, there were many other incredible creatures, and some were even bigger and… Read More →

  • Lexile: 960
  • Dewey: 560