Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Celebrate Winter with your 5th grader with this vocabulary crossword puzzle. Use the winter-themed clues to practice reading and writing.

Third, fourth, and fifth graders will love this Valentine’s Day-themed word scramble! 

Unscramble seasonal words in this worksheet for third, fourth, and fifth graders!

Make words from jumbled up letters. As long as the letters are somehow connected in this triangle pattern.

Celebrate Earth Day with this fun word puzzle for third, fourth, and fifth graders!

Exercise your brain this summer with this fun word puzzle for fifth through eighth graders!

Introduce third, fourth, and fifth graders to hink pink riddles with this fair-themed worksheet!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

Show off your spelling skills with this snowy vocabulary adventure made for third through fifth graders!

Does your fifth grader know how to spell Kwanzaa? What about Hanukkah? This challenging crossword will have him puzzling over all things winter.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

What's the animal that swims upstream? Help your child figure this out with this cold-blooded animal crossword puzzle worksheet.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Take a journey across the globe with this fun word puzzle for upper elementary students!

In this creative vocabulary activity, your goal is to be “wrong” on purpose!