Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Here's a stormy science adventure that will blow your socks off! Learn about tracking hurricanes with this map of coordinates.

Learn about some of the major U.S. watersheds in this fascinating science and geography worksheet!

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!