Do you know the functions of the primary organs in the human body? Put your knowledge to the test with this fourth- and fifth-grade crossword!

Children learn about Martin Luther King, Jr.'s life and legacy as they solve a crossword puzzle in this hands-on worksheet.

Children get to know a few national symbols in this engaging crossword puzzle.

Identify opposites and test your vocabulary in this autumnal word puzzle!

Here's a geography challenge for your fifth grader. Full of trivia like state nicknames and state birds, she's sure to learn something new.

Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Practice addition facts within 10 with this high-flying math crossword puzzle!

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

Challenge your fifth grader's geography skills with this state facts crossword puzzle.

Review the terminology of collisions with this engaging crossword puzzle for fourth graders!

Use your brain to solve the clues and complete the crossword in this cheerful spelling puzzle!

Sure to prompt a bit of research, this state facts crossword is a fun way to start off geography practice.

Keep your first- and second-grade students from getting a brain freeze this season with this cool, winter word puzzle!

Test your knowledge of the Christmas story with this festive activity!