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

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

Children will learn important facts about food chains in these worksheets.

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.

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.

Explore how traits are influenced by both genetic and environmental factors with this life science worksheet!

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

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

For those of you studying human anatomy, here is a great diagram of the major organs in our body!

Cut out and complete this trophic level pyramid template!

This multi-page worksheet provides an opportunity for kids to practice both their understanding of food webs and their reading comprension skills.

Students learn about population dynamics through the context of fox and rabbit populations in a forest ecosystem.

Use this Inside-Out Anatomy worksheet to learn about the digestive system.

Show what you know about the cell cycle with this mitosis matching worksheet!

Learners will use a word bank to label 15 parts of the human digestive system in this life sciences diagramming activity.

Use this heart anatomy sheet to learn all about your heart and how it works.

Introduce students to the ecological benefits of terracing with this middle grades science worksheet!

Learn all about your body's most important muscle: your heart! This simple diagram is a great way to introduce your little biologist to his heart.

Together, water and photosynthesis are the source of all life on Earth! Little curious minds will enjoy discovering the ins and outs of photosynthesis.

Children learn about the food cycle in a rain forest as they color in a scene of snakes, butterflies, leopards, and other forest-dwelling creatures.

How cool are chromosomes? Read what Steve the savvy scientist has to say about chromosomes and genes before testing your knowledge with some fill-in-the-blanks.

Students compare structures in the bodies of different organisms in order to draw conclusions about evolutionary relationships in this life science worksheet!

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