Grade 4

Adding salt to water makes it boil faster. Eating turkey makes you sleepy. Organic food is best for the environment. You may have heard these common sayings and beliefs before. But are they… Read More →

Does the universe circle around Earth? Do creatures live on the sun? Can you tell the future by looking at the stars? At one time, science supported wild notions like these! But later studies Read More →

Sometimes whales get confused and end up getting stuck on the beach. That's when people need to quickly help to get them back out to the safety of the deep water. What can people do to help… Read More →

The gray whales migrate further than any other mammals. They are always on the move. It's an endless journey to eat, breed and to move with the seasons. Where do you think the gray whales are Read More →

Sometimes whales seem to forget that they need to stay in deep water. Whales are much too big to swim in shallow water. If they come too close to the beach, they get stuck. Kind people try to Read More →

Learn all about the amazing world of whales, and follow their lives from calf to adult. Read More →

Learn all about conspiracy theories that have emerged from the past to today. This accessible overview introduces young readers to thinking critically about the information they may glean… Read More →

What are fiction genres? How is fiction different from other kinds of writing? Find out the key elements of fiction, such as characters, setting, and plot. Then explore different genres,… Read More →

What are graphic novels? How are graphic novels different from other kinds of writing? Find out how graphic novels are similar to and different from comic books. Explore features such as… Read More →

Read about hoaxes and lies that have been spread in both the past and present, and learn how they have deceived people. Readers will discover tips on how to identify a hoax and learn to think Read More →

What are legends, folktales, and other classic stories? How are they different from other kinds of writing? Find out the key elements of classic stories, such as theme, setting, and plot.… Read More →

What are nonfiction genres? How is nonfiction different from other kinds of writing? Find out about nonfiction text features, such as the table of contents, the glossary, and the index. Then… Read More →

What are plays? How are they different from other kinds of writing? Find out about the parts of a play, including characters, scenes, setting, scripts, stage directions, and dialogue. Then… Read More →

Satire and parody existed long before modern times. Readers will get an invaluable overview of how to identify satire and parody and how to think critically about current events. Read More →

A boy wants to know what shadows are. Discover interesting facts about shadows along with him: what makes a shadow, how does a shadow get bigger, what the colors of a shadow mean, and more. Read More →

In June 1776, colonial delegates to the Continental Congress began writing a document to set up a new country—with a government independent from Britain. The Articles of Confederation created Read More →

In 1791 plans for the new capital city, Washington, D.C., were in the works, but someone was needed to help with the surveying. Thomas Jefferson recommended Benjamin Banneker for the job.… Read More →

In the early 1800s, many Americans living in the eastern states wanted to explore the western frontier. Vast amounts of land and resources lay to the west—but the Appalachian Mountains formed Read More →

How creatively do you see things? She took photographs of things she loved and sent them to him. He drew pictures on her photographs of things he saw and sent them back to her. Real-life… Read More →

Simple text and full-color photographs depict children engaged in various activities that make up the scientific process: asking questions, noticing details, drawing what they see, taking… Read More →

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 →

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 →

How Does Your Heart Beat? is a fantastic introduction to the incredible ways that our body keeps us alive. The respiratory, circulatory, and immune systems are explained through hilarious,… Read More →