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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

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

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Put your kid's observational skills to the test with this word search that will help her learn some of the animals that inhabit a rainforest.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

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