Grades PreK - 3

White-tailed deer spend their days grazing in prairies and woodlands. When startled, they flash their distinctive white tails as they run from their predators. They can even jump 30 feet in… More →

Scientists categorize rocks into three different groups depending on how the rock was formed. Humans have used rocks from all groups as tools and in construction for thousands of years.… More →

Minerals are everywhere and are essential to living organisms. There are thousands of recognized minerals in existence! Discover the properties of quartz, sulfur, and other minerals and learn 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 →

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 →

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 →

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 →

Massive aircraft carry space station components, multiple school buses, and even smaller airplanes! The world’s largest airplanes are more than 20 feet longer than the Wright brothers’ famous 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 →

Aardvarks specialize in pest control. The hard shell of a termite home is no match against the spade-like claws of the aardvark. Once their walls have been breached, the termites have little… More →

A look at an antelope’s hooves may give a clue as to where it lives. Wide hooves give desert-dwelling antelopes footing on the sand, and padded hooves keep rock-climbing antelopes from… More →

Before cows make milk, they drink it. Young babies often down two full gallons a day! In this book, take a trip to the countryside to see cute calves quenching their thirst and more in the… More →