Grade 5

Would you feel an earthquake if it happened? Are you sure? The ground moves all the time without anybody paying it any attention. But at their most extreme, earthquakes can move mountains and More →

If you're lucky, you'll hear about the zombie outbreak before it spreads too far. Could you survive a zombie apocalypse? Find out what you need to know about zombies and how you can fight… More →

From the wheel to trampolines, these crazy inventions have changed our world. Learn about the ideas behind some of the most incredible inventions. This engaging hi-lo book draws in 4th and… More →

A miracle, a comeback, the GOAT taking home gold—some of the greatest stories of our day have happened on the field, ice, and gym. Follow the true story of athletes and teams who have gone… More →

Welcome, Agent 359. This file is full of top-secret information about black holes. Learn the basics of how black holes form, their different sizes, and how they were found. Then, discover… More →

If you think making your bed and getting your homework done is tough, imagine what it must have been like to live in a time with no toilets or where you have to start training as a soldier… More →

Energy is passed along through a tangled web of all living things. From producers, to consumers, to decomposers, explore food webs. Follow along with easy-to-understand content tied to the… More →

From dandelions to dolphins, all living things are made up of the same itty-bitty things—cells. Discover the parts of a cell, the differences between plant and animal cells, how cells… More →

Have you spotted a ghost? Do carrots help you see in the dark? The world is full of mysteries, but many things can be explained with science. Learn about the scientific method and how it can… More →

All aboard! Let’s go full STEAM ahead to make hands-on learning fun. Engaging projects and yummy recipes made from easily-sourced materials take science, technology, engineering, art, and… More →

What would it take to make it through an alien invasion or zombie apocalypse? Join the hi-lo adventure to imagine what it would be like if the supernatural creatures of your nightmares were… More →

What’s sillier than a monkey in a spacesuit or potato passengers on planes? Not much! Take a hi-lo adventure about seriously silly science you can hardly believe is true. Struggling readers… More →