Grade 4
4802 records found. Displaying 1849 - 1872.
Inclined Planes and Wedges
From the Series Early Bird Physics
What is an inclined plane? How do you use a wedge? Using easy-to-understand examples and fun-to-do experiments, discover how these two simple machines work and make the work that you do easier. Read More →
Income Inequality and the Fight over Wealth Distribution
From the Series Issues in Action (Read Woke ™ Books)
In America, the amount of money people earn for doing the same job isn't always equal. The United States only recently made it illegal to pay men more than women for the same job, and the… Read More →
Incredible Animal Trivia: Fun Facts and Quizzes
From the Series Trivia Time! (Alternator Books ® )
Did you know that there is a kind of jellyfish that can live forever? Or that pigs can learn to play video games? Test your trivia knowledge and learn loads of incredible facts in this… Read More →
Incredible Bugs
From the Series Animal Bests
Meet some of the most fascinating insects and arachnids on Earth, and learn about their incredible abilities—from building and weight-lifting to long-distance migration and hunting. Find out… Read More →
Incredible History Trivia: Fun Facts and Quizzes
From the Series Trivia Time! (Alternator Books ® )
Did you know that the longest-ruling monarch's reign lasted for more than 82 years? Or that President Abraham Lincoln used to hide important documents inside his hat? Fun facts like these… Read More →
Incredible Science Trivia: Fun Facts and Quizzes
From the Series Trivia Time! (Alternator Books ® )
Did you know that astronauts get taller when they go to outer space? Or that some people can see as many as 100 million colors? Read these fun facts and many more in this incredible,… Read More →
Incredible Sports Trivia: Fun Facts and Quizzes
From the Series Trivia Time! (Alternator Books ® )
Did you know soccer star Cristiano Ronaldo's legs are insured for about $148 million? Or that Seattle Seahawks fans have cheered so loudly they've actually caused an earthquake? Fun facts… Read More →
Incredible Tech Trivia: Fun Facts and Quizzes
From the Series Trivia Time! (Alternator Books ® )
Did you know that surgeons who play video games make fewer mistakes? Or that Egyptians were building robots way back in 3,000 BCE? Amazing facts like these await in this page-turning,… Read More →
Incubators: A Graphic History
From the Series Medical Breakthroughs
When babies are born early, they often have trouble surviving. But special containers called incubators help babies grow by keeping them warm and protected. At first, people in the medical… Read More →
Indiana Fever
From the Series WNBA Hot Ticket (Lerner ™ Sports)
When the Indiana Fever drafted superstar Caitlin Clark in 2024, they instantly became one of the WNBA’s most popular teams. Learn about the Fever’s history and meet some of the team’s most… Read More →
Indigenous Cultures Today: Protecting Native Families and Practicing Cultural Traditions
From the Series Native Rights (Alternator Books ®)
On June 15, 2023, Native American Nations celebrated a victory. The Supreme Court of the United States decided to uphold the Indian Child Welfare Act (ICWA), first passed in 1978. The act… Read More →
Indigenous Environmentalism: Honoring Our Relationships and Responsibilities with Nature
From the Series Native Rights (Alternator Books ®)
For thousands of years, Native American peoples have had a deep connection to the land they live on. From cultural burning—setting small controlled fires to improve a habitat—to only taking… Read More →
Indigenous Language Revitalization: From Boarding Schools and Code Talkers to Immersion Learning
From the Series Native Rights (Alternator Books ®)
Indigenous languages have a mixed history in the United States. Many Native languages have become endangered. In the 1800s, the US government began forcing Native children to attend federal… Read More →
In Disguise: How Animals Hide from Predators
From the Series Tell Me More! Science
Is it a twig? Is it a dead leaf? Is it a bird poop? No! It’s an animal. Discover how animals use mimicry to look like something else and stay safe from predators. After reading, put your… Read More →
Individual Sports of the Summer Games
From the Series Gold Medal Games
Only a few countries were represented by athletes at the first modern Olympic Games in 1896 in Athens. Today, more than 10,000 athletes from over 200 countries compete in the Summer Olympic… Read More →
Individual Sports of the Winter Games
From the Series Gold Medal Games
At the first Winter Games in Chamonix, France in 1924 only a few countries were represented by a dozen or more athletes. Today, about 3,000 athletes from nearly 100 countries compete in the… Read More →
Indonesia
From the Series Country Explorers
Pack your bags! We’re headed to Indonesia! On this whirl-wind tour, you’ll learn all about the country’s landscape, culture, people, and more. We’ll explore Indonesia’s volcanic islands and… Read More →
In Fashion: Fluency Boost
From the Series Red Rocket ™ Readers Decodable Explorers
What are your best clothes? Where do you wear them? What do people wear at a wedding, a sports game, school, or in the garden? Why do we wear different clothes for different events? When… Read More →
Infinity and Me
When I looked up, I shivered. How many stars were in the sky? A million? A billion? Maybe the number was as big as infinity. I started to feel very, very small. How could I even think about… Read More →
In Focus: Dinosaurs — Library Bound Hardcover Set
From the Series In Focus: Dinosaurs
If you've ever wondered which dinosaurs lived during the Jurassic period, what the first dinosaurs were, or what other amazing reptiles ruled the planet for 150 million years, these guides… Read More →
In Focus: Sports — Library Bound Hardcover Set
From the Series In Focus: Sports
Bring readers into the action on the court and the field in these comprehensive guides. Explore four of the USA's favorite sports—baseball, football, basketball, and hockey—with full-color… Read More →
Ingeniera aeroespacial Aprille Ericsson (Aerospace Engineer Aprille Ericsson)
From the Series Biografías de pioneros STEM (STEM Trailblazer Bios)
¿Creaste alguna vez un proyecto científico genial? En la escuela secundaria, Aprille Ericsson ganó el segundo lugar en una feria de ciencias. Sabía que quería seguir creando proyectos… Read More →
Inmigración, refugiados y la lucha por una vida mejor (Immigration, Refugees, and the Fight for a Better Life)
From the Series Debates en marcha (Issues in Action) (Read Woke ™ Books en español)
A lo largo de la historia y hasta nuestros días, las personas se han trasladado de un lugar a otro para escapar del peligro y buscar una vida mejor. Pero con frecuencia los inmigrantes y… Read More →
In My Neighborhood
From the Series Live Oak Media eReadalong
In this vividly realized city of musical instruments Drum feels like an outcast because he alone, among all his family and neighbors, can't play a melody. He adores his violin brother, cello… Read More →