Grade 3

Rising from the center of the state, the Rocky Mountains can take credit for Colorado’s reputation as a hub for outdoor adventure. Skiers flock to resorts near snow-capped peaks, and… More →

The smallest state in the union has a lot to offer! With over 400 miles of coast and many islands, bays, and inlets, the Ocean State is the place to be. Kids will enjoy learning about Rhode… More →

Tiny bristles called setae help earthworms burrow several feet into the ground. The earthworms bring nutrients and minerals to the surface, and on the way, their tunneling aerates the ground. More →

There are dump trucks with tires as high as two grown men! These enormous trucks could never share a street with other vehicles. This explains why “off-road” is how they roll. They are built… More →

The arid New Mexico landscape is home to some of the most marvelous landforms in America. The Carlsbad Caverns house one of the largest caves in the country. In southern New Mexico, the white More →

The Eastern State Penitentiary was the first prison to use solitary confinement. This controversial form of punishment is said to have left many inmates mentally ill. A few were driven to… More →

Baby cats love to involve their owners in a good game of “name that tune.” The melodic fuzzballs have a variety of different meows, squeals, and purrs, each with its own meaning. Sort through More →

Dogs show many different sides during their puppy stage. A snuggly side appears when they get sleepy. A spunky side comes to life when it's time to play. Sloppy little licks show a loving… More →

It’s no surprise that Florida is one of the fastest-growing states in the nation. Its sandy beaches and amusement parks attract millions of tourists each year, and the warm, relaxed lifestyle More →

Virginia has a long and rich history, from the English colony of Jamestown to the battlefields of the Civil War. It is also home to such diverse environments as the Chesapeake Bay and the… More →

Some trains have so many cars that they are miles long. The longest freight train in history had 682 cars filled with iron ore. This beast of a train needed eight locomotives to pull it… More →

Mongooses are nothing if not tenacious. These creative hunters whack bird eggs against hard surfaces to get at the meal within. They’ll even grapple with venomous snakes, waiting patiently… More →