Grade 3 - 5

Piranhas have strength in numbers. Arapaimas pack a deadly bite. Which animal is the most deadly? Action-packed text and vibrant photos combine to show off each animal's fighting strengths in More →

Ahoy there! Are you ready for an adventure on the high seas? The titles in this graphic nonfiction series plunge reluctant readers into stories of daring sword fights, ruthless captains, and… More →

What does a stretch of rolling, grassy hills have in common with a flat, sandy desert? They are both plains. These landforms cover about a third of Earth's land though they can look very… More →

Welcome, Agent 359. This file is full of top-secret information about planets. Learn about the different types of planets, what they can be made of, and explore the planets in our solar… More →

Did you know that the moon we see in the sky is not the only one out there? Other planets have moons, too--Saturn has 82! And did you know the weather is always stormy on Jupiter? Or what… More →

From mighty trees and tiny daisies to feathered birds and scaly fish, learn how organisms survive in their habitats. Uncover the secrets of photosynthesis, reproduction, locomotion, and meet… More →

It's a busy day at Happy Valley Farm and the farmer llama needs your help! Take a tour of the farm as you learn all about plows. Be sure to pay attention so you can pass your farmhands quiz… More →

In Planters, early fluent readers will learn how planters work to plant crops, including different parts of the machine, how they've changed agriculture, and new technology being implemented. More →

Learn all about plants one fact at a time! Explore plants from tiny buds to towering trees--and everything in between. Along the way you'll get to know the plants that cover our world.… More →

Plants. They give us oxygen, provide us with food, and fill our world with color. Plants can also trick animals into becoming their food, and when necessary, some plants can defend themselves More →

Venus fly traps snap shut on their prey. Aloe vera plants can be used to soothe sunburns. Plant Power explores the powers of meat-eating plants, healing plants, poisonous plants, prickly… More →

There are plants everywhere! Plants are very important to life on Earth. They clean our air, give us food, and much more. But what are they exactly? Let's learn about different parts of a… More →