Showing results for "Underground" in Science & Technology

How can important information and valuable items be kept safe as years pass? Many of these items are stored in underground vaults, including recordings and photos from U.S. history, important documents, and more. Locks, guards, secret passwords, and technology all play a part in the protection of the items.

Whether it's being lost in a cave or caught in a collapsed mine, being trapped underground can be terrifying. You may be cold, wet, hungry, and stuck in absolute darkness. Even worse is not knowing if anyone will ever find you. Find out how people survived their ordeal in these true stories of those who were trapped underground in this book from the Fighting to Survive series.

The Underground Railroad was used by people escaping enslavement in the South. This system of passages and safe houses helped people reach freedom in the Northern United States or Canada. Did you know science played a role in the Underground Railroad?

Learn how carrots grow underground.

Uncover the hidden world of aquifers in this playful STEM adventure that turns curious kids into eager earth scientists. Perfect for entertaining family car rides or screen-free bedtime learning, this immersive journey follows tiny water droplets as they travel through secret underground...

When Wyoming Bones awakens in an underground cave, he has no idea the adventure that awaits! Mysterious prophecies, ancient cities brought to life, and an emotionless master wielding a magical staff. Will Wyoming and his friends have what it takes to return the rightful ruler to the throne and help the city of Spideria? Follow Wyoming and his friends as they face challenges, craft solutions, and fight their way through a spidery lost city! A perfect balance of silly Minecraft exploration and daring adventure and stunts, this series is bound to become your new shared obsession.