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Grade 3

What Floats? What Sinks?: A Look at Density

From the Series Lightning Bolt Books ® — Exploring Physical Science

A rock sinks in the water. A hot air balloon floats in the air. Many objects float and sink. But what makes them move this way? And how do people use floating and sinking in their lives? Read… Read More →

  • Lexile: 540
  • Dewey: 532'.25

What Happens When I Eat?

We crunch up fruit, cereal, pizza, vegetables, and many other foods. And then, somehow, all that food gives us energy. From chewing to digesting, to going to the bathroom, our teeth, stomach… Read More →

  • Lexile: 670
  • ATOS: 4.6
  • Dewey: 612.3

What Happens When I Grow?

We grow bigger and bigger, and every few months we need new shoes and clothes. We grow taller and taller, until one day we are finally tall enough to ride on that rollercoaster. When we were… Read More →

  • Lexile: 550
  • ATOS: 4.2
  • Dewey: 612.6

What Happens When I Move?

We can run along the street while waving to a friend, or dribble and shoot a basketball without even thinking about where to position our hands. All day, every day, our bodies are making… Read More →

  • Lexile: 630
  • ATOS: 4.7
  • Dewey: 612.7

What Happens When I Sleep?

We get warm and cozy under a quilt and drift off to sleep. As we rest, however, our bodies are still hard at work, processing dinner, repairing damaged skin, and growing bones and muscles… Read More →

  • Lexile: 610
  • ATOS: 4.5
  • Dewey: 612.8

What Holds Us to Earth?: A Look at Gravity

From the Series Lightning Bolt Books ® — Exploring Physical Science

A ball drops to the ground. Leaves fall from a tree. Gravity is at work all around you. But what exactly is gravity? And how does it affect different objects? Read this book to find out!… Read More →

  • Lexile: 520
  • Dewey: 531'.14

What Is a Scientist?

From the Series What Is...?

Simple text and full-color photographs depict children engaged in various activities that make up the scientific process. Read More →

  • ATOS: 3.4
  • Dewey: 502.3

What Is Computer Coding?

From the Series Lightning Bolt Books ® — Our Digital World

Computers cannot understand human languages such as English. Instead they follow instructions written in special codes. Computer programmers use these codes to design video games and computer… Read More →

  • Lexile: 540
  • ATOS: 4.0
  • Dewey: 005.1

What Is Hearing?

From the Series Lightning Bolt Books ® — Your Amazing Senses

A fire alarm’s wail. A cat’s quiet purr Your ears let you hear all kinds of sounds, both loud and soft. But how do your ears work? And how does your sense of hearing help you? Read this book… Read More →

  • Lexile: 580
  • Dewey: 612.8'5

What Is Money, Anyway?: Why Dollars and Coins Have Value

From the Series Lightning Bolt Books ® — Exploring Economics

Have you ever received a birthday card with a $10 bill inside? Or found a quarter on the sidewalk? These bills and coins are made of paper and metal. But they’re far more valuable than what… Read More →

  • Lexile: 490
  • Dewey: 332.4

What Is Poetry?

From the Series Name That Text Type!

What is poetry? How is it different from other kinds of writing? Find out what makes a poem a poem. See how poets organize their poems and what special writing tools they use, such as rhythm… Read More →

  • Lexile: 460
  • ATOS: 3.2
  • Dewey: 808.1
Fall 2019

What Is Propaganda?

From the Series Searchlight Books ™ — Fake News

Introduce readers to the concept of propaganda by analyzing examples from the past and present. This approachable overview includes tips on how to spot propaganda and how to respond to fake news. Read More →

  • Lexile: 900
  • Dewey: 303.3/75

What Is Sight?

From the Series Lightning Bolt Books ® — Your Amazing Senses

A green frog. An orange Popsicle. A flashing “walk” sign. Your eyes let you see everything around you. But how do your eyes work? And how does your sense of sight help you? Read this book to… Read More →

  • Lexile: 560
  • Dewey: 612.8'4

What Is Smell?

From the Series Lightning Bolt Books ® — Your Amazing Senses

The sweet smell of roses. The rotten smell of garbage. Your nose lets you smell these scents and more. But how does your nose work? And how does your sense of smell help you? Read this book… Read More →

  • Lexile: 550
  • Dewey: 612.8'6

What Is Taste?

From the Series Lightning Bolt Books ® — Your Amazing Senses

Salty popcorn. Sweet watermelon. Your tongue lets you taste these things and more. But how does your sense of taste work? And how does it help you? Read this book to find out! Learn all about… Read More →

  • Lexile: 570
  • Dewey: 612.8'7

What Is Touch?

From the Series Lightning Bolt Books ® — Your Amazing Senses

A furry dog. A scaly lizard. Your sense of touch lets you feel these things and more. But how does your sense of touch work? And how does it help you? Read this book to find out! Learn all… Read More →

  • Lexile: 610
  • Dewey: 612.8'8

What Lives in the Sea?: Marine Life

From the Series Science Storybooks

The sea is full of life. Some creatures are very small and some are very big. Every sea creature hunts for food and tries to protect itself from enemies. Find out how they do this. Read More →

  • Lexile: 530
  • ATOS: 2.3
  • Dewey: 500

What Makes a Building Strong?

From the Series Space Cat Explores STEM

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 Noise Does a Rabbit Make?

As the sun came up, "COCK-A-DOODLE-DO!" trumpeted the rooster, and then all at once the farm rang out with the noises of the other animals. Amid the ruckus, Raggety-Taggle quietly nibbled the… Read More →

  • ATOS: 1.5
  • Dewey: [E]

What's Going On?

From the Series Real Kids Readers — Level 2

Someone is moving in next door. Josh sees a big truck. He sees lots of boxes. Then he sees something funny. What's going on? Read More →

  • Lexile: 320
  • ATOS: 1.4
  • Dewey: [E]

What's Great about Alabama?

From the Series Our Great States

What's so great about Alabama? Find out the top ten sites to see or things to do in the Yellowhammer State! Explore Alabama's warm ocean coast, museums, and rich history. The Alabama by Map… Read More →

  • Lexile: 690
  • ATOS: 4.4
  • Dewey: 976.1

What's Great about Alaska?

From the Series Our Great States

What's so great about Alaska? Find out the top ten sites to see or things to do in the Last Frontier! We'll explore Alaska's fun-filled parks, fascinating fairs, vast wilderness, and exciting… Read More →

  • Lexile: 770
  • ATOS: 4.5
  • Dewey: 979.8

What's Great about Arizona?

From the Series Our Great States

What's so great about Arizona? Find out the top ten sites to see or things to do in the Grand Canyon State! We'll explore Arizona's vibrant cities, stunning rock formations, exciting rodeos… Read More →

  • Lexile: 760
  • ATOS: 4.7
  • Dewey: 979.1

What's Great about Arkansas?

From the Series Our Great States

What's so great about Arkansas? Find out the top ten sites to see or things to do in the Natural State! Explore Arkansas's mountains, forests, big cities, and rich history. The Arkansas by… Read More →

  • Lexile: 620
  • ATOS: 4.1
  • Dewey: 976.7