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

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

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

Review the different body parts with a fun crossword! This is a great way for your little doctor-in-training to review the basic organs and their functions.

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

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

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Here's a fun way to review photosynthesis with your child! She'll show off her science knowledge as she answers questions to complete the crossword puzzle.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

As your child matches up the body systems vocabulary with the correct definitions, she'll boost her life science knowledge and have fun doing it!

Children discover and review the parts of a flower and what they do as they complete this botany-themed crossword puzzle.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

Looking for a fun way to supplement your child's science learning? Try out a life science crossword puzzle! This one's all about ecosystems.

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!

How much does your child know about the animal kingdom? Help her discover interesting facts with this animal crossword.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

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!