"Presents information about measuring containers scientists use for their own science experiments." --

Introduces the sweat glands, discussing their function and secretions.

Peanut allergies can be very serious. They're the most common food allergy to cause anaphylaxis in children. There is a blood test and a skin prick test to confirm a peanut allergy, but no cure. The only way to avoid a reaction is to stay away from peanuts altogether. Readers learn the potential severity of peanut allergies and the symptoms one might experience. Full-color images alert them to food packaging labels and the possibility of peanuts on...

Examines how the postal system works, discusses addressing envelopes, and describes the journey mail takes.

Looking at seeds, it can be, hard to visualize how something so small can grow into something so big. Readers will uncover the mystery of how seeds grow into the plants we see around us. Colorful photographs and diagrams explain how each part of a seed plays a role in sprouting, while age-appropriate language explains every step of the process. The engaging text will make readers excited about how plants grow and inspire them to uncover more botanical...

Crocodiles are intelligent and social animals that communicate in many ways. A group of crocodiles in water is called a float, and a group on land is called a bask. They are masters at hiding in water and waiting for an unlucky animal to wander by. Readers discover many fun facts about what life is like in a group of crocodiles and see colorful, up-close photographs of the fierce reptiles in their natural habitat. Accessible text and a helpful graphic...

With easy to understand information and fun facts scattered throughout the text, readers will learn everything they need to know about hibernation, from how animals prepare to what happens when they sleep. Full-color photographs accompany the text and give readers a glimpse into the hibernators' natural environments. A colorful infographic reinforces the information, delighting readers with its additional learning opportunity.

"What's that squirming between in the trees? While it might look like a solid clump, it's actually a massive group of caterpillars! A group of caterpillars is called an army and there's no doubt about why. These invaders eat nonstop, devouring all the plant life in their path and leaving nothing behind. With simple language paired with photographs of caterpillars, this volume invites young readers to learn how caterpillars start their lives and why...

Readers find out what life is like for a murder of crows through the help of accessible text and eye-catching photographs. Crows are some of the smartest animals on the planet. They can remember people's faces and warn each other of danger. Some crows even know how to use simple tools. These fascinating facts and more are waiting to be, discovered by readers. A useful graphic organizer provides additional information about these amazing animals.

Describes what a reaction is ,what causes one, and what you can do about it.