Use your knowledge of sea creatures to fill out this crossword puzzle.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

Students demonstrate their knowledge of the structure of animal cells in this middle grades life science worksheet!

Students use a food web to identify the roles of organisms in an ecosystem and draw conclusions about the cycling of matter and flow of energy.

Dinosaurs and other creatures don't exist anymore! Learn the names of some extinct animals, and look for them in this fun wordsearch puzzle.

Explore the anatomy, physiology, and overall function of the sensory nervous system with this life science worksheet! 

Students explore the mechanics of the respiratory system in this life science worksheet for middle school.

This cool worksheet prompts young biologists to research the functions of cell organelles labeled in the diagram.

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Help young scientists understand the different types of organism interactions with this life science worksheet!

Students take a deep dive into the structure of animal cells in this middle grades life science worksheet!

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

Fifth-grade learners will look at a diagram of a cell, then follow the instructions to label its parts by color.

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

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science worksheet! 

Explore how the fossil record is used to study the evolution of organisms in this engaging science worksheet for middle grades!

Students hone their understanding of the similarities and differences between animal cells and plant cells in this middle grades life science worksheet!

Explore the difference between asexual and sexual reproduction in organisms with this middle school science worksheet!

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

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

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Kids love squids! This simple squid diagram will help your 5th grader memorize the squid anatomy.

Meet the beetle! Filling out this simple worksheet can help your 5th grader learn the anatomy of a beetle.

Don't be crabby! This worksheets introduces your child to a fascinating crustacean. Fill in the anatomy of a crab using the numbers in the word bank.

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

Try out this simple worksheet diagramming the anatomy of a shrimp. Big words, small sea creature.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Try this worksheet diagramming a snail anatomy. It takes a snail over two minutes to travel 12 inches, but your 5th grader can finish this worksheet in no time.

Learn about the features of plant and animal cells in this compare-and-contrast worksheet!

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!