Cottonmouths are named for the white insides of their mouths. But donХt get too close! These snakes have a venomous bite. This title explores how cottonmouths use their deadly bite to capture More →
Grades 2 - 5
The stegosaurus is known for the row of tall plates that stick out of its back. But this dinosaur had many other fascinating traits! Using a pointed beak and long tail spikes, the stegosaurus More →
Common box turtles are experts at avoiding predators. They can close their shells so that they are nearly impossible to open! Find out where these fascinating reptiles live, what they eat,… More →
Muscles are found nearly everywhere in the body! The muscular system works closely with many other systems to keep the heart pumping, the joints moving, and the lungs filling with air. In… More →
The huge diplodocus had a long neck, a long tail, and a 2,000-pound heart! As it grazed the land for low-lying plants, the dinosaur whipped its tail at dangerous enemies. In this… More →
After eating your favorite healthy snack, how does the body know where all the nutrients should go? The digestive system is a network of organs that works with other systems to feed the body… More →
American bullfrogs can jump farther than 7 feet (2.1 meters)! In this leveled text, learn about the lives of North AmericaХs largest frogs, from their habitat and diet to how they grow.… More →
In the middle of a quiet forest, a triceratops holds it ground against a ferocious T. rex. Who will come out on top? As the T. rex draws closer, the triceratops flashes its wide frill and… More →
The nervous system works with all other systems in the body to make sure everything works smoothly! Without it, the brain would have no way to deliver instructions. Through vivid photos and… More →
