Say hello to the Ohio, an important Rust Belt river that connects communities across the Northeast and Midwest.

Learn more about the Columbia River in this informative social studies worksheet that drills students on nonfiction reading skills.

Get to know your local rivers with this label-it-yourself map of U.S. rivers.

Yee-haw! Hitch a ride down the Rio Grande, the most famous river of the America southwest.

Learn more about riverboats and the importance of these big machines in industry and culture with this supplemental social studies worksheet.

By checking out this old photograph of a baseball player, kids will start to see that just about everything on earth changes with time.

Encourage hands-on history with this worksheet that shows how collecting objects can be a great way to learn about a subject's past and present.

Though the Missouri River often plays second banana to the Mighty Mississippi, it's not any less important—and it's actually the longer river.

In this intro-to-history worksheet, kids can start with something familiar -- family photos from a real American family through the years.

Take a journey to the Connecticut River, the longest river in New England and a source of recreation and relaxation for many

Learn more about the Hudson River's scenic beauty, its abundance of wildlife, and its place in American history with this informative social studies worksheet.

The Potomac has been witness to huge moments in American history, and is a source of water and scenery for Washington, D.C. residents.

Learn more about the way the Susquehanna brings beauty to the region—and how it stays that way—in this worksheet that joins geography and reading comprehension.

The Cuyahoga River in Ohio isn't the biggest or the most scenic river in the United States, but it played an important part in American society.

Help your child learn different payment methods, and what each one is typically used for, in this easy money worksheet.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Complete this map of Central America by flexing those ever-useful research skills.

Look at this piece of a map and see if you can place it. Practice your research skills to fill in the names of the countries.

A nonfiction passage and some essay questions help students understand the effects of the Civil War in this American history worksheet.

Learn more about the Missouri Compromise, an act that changed America both culturally and geographically.

Discover the difference between rules and laws with this first-grade worksheet!

Here's an easy introduction to U.S. history for your child! This coloring page features educator and civil rights leader Mary McLeod Bethune.

Identify National Teacher Appreciation Day on a calendar, then create a picture to share with a teacher you know.

Children put their knowledge of the U.S. Constitution to the test with this simple quiz!

A coloring page of the Great Sphinx, made for 1st graders studying geography and world landmarks.

Get to know pioneering astrophysicist and mathematician Katherine Johnson in this reading comprehension worksheet!

With 4th grade geography comes lots of maps and research. Get an introduction to research with this exercise. Label the countries and three cities on this map.

Teach your kids about the U.S. government with a lesson on the Constitution.

A coloring and activity sheet about Ohio for 1st and 2nd graders, featuring state facts and symbols.

Step right up to the most famous wall on Earth! Spanning nearly four thousand miles, the Great Wall of China is one of the oldest wonders of the world.