Grades PreK - 3

Measuring 1,300 feet long, the world’s biggest ships are more than 300 feet longer than the famed Titanic! These shipping vessels are so big their loads of containers, stacked on end, would… More →

Huge blades, giant tracks, and powerful engines enable these colossal bulldozers to wipe out anything in their paths. They can even move 90 cubic yards of material per pass! Plow through more More →

At nearly 30 feet long and 14 feet high, these massive tractors tear up fields with incredible power. After a day of ripping cropland, the points even glow red hot! Young readers will harvest More →

Reaching more than 20 feet and 2,000 pounds, the crocodile is the largest living reptile in the world! These endangered creatures spend their days resting on land or floating in swamps or… More →

Mice will eat just about anything, from grain to cheese to glue. These small rodents live all over the world and tend to stay near humans to scavenge for food. In the wild, mice often became… More →

These thumbless mammals swing from branch to branch in the tropical rain forests of Central and South America. Spider monkeys are wildly social animals that sleep and eat in groups called… More →

Named for their short, bobbed tails, bobcats are only about twice the size of house cats. But these nocturnal wildcats aren’t afraid to pick on larger animals during their nightly hunts. They More →

Groundhogs are big rodents—the largest in the squirrel family, in fact. They spend summers eating grasses, plants, and fruits before hibernating during the winters in underground burrows.… More →

Various species of the mighty hawk can be found all over the world. Hawks perch up high and soar through the sky in search of prey. They spot mice, gophers, rabbits, and other small animals… More →

Hummingbirds are as beautiful as they are talented. Beating more than 50 times per second, their wings create a humming sound as they hover and speed through the air. Not only can… More →

A popular cartoon co-star, the roadrunner is known for its speed. Roadrunners can run up to 18 miles per hour! They live up to their name, spending most of their time running on the ground… More →

Different chameleon species show an array of colors and patterns depending on their mood or environmental factors like temperature and light. These remarkable reptiles can also rotate their… More →