Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

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!

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.

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

This colorful diagram is a handy reference guide for kids learning basic body systems.

This worksheet tests kids' understanding of basic heredity by asking them to match parent turtles with their offspring based on similar traits.

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

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

An energy pyramid is a simple way to graphically show how energy flows in an ecological community; somewhat similar to the food pyramid.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

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

Celebrate the fall season with this nature sketchbook, perfect for any lover of the outdoors!

Open your ears for some interesting science! Your little biologist will learn the basic parts of the ear with this diagram.

It's never too early to start teaching your kid about eating right and staying active.

Learn about the amphibians and reptiles of Yellowstone National Park.

Think toads and frogs are the same? Think again! Check out this breakdown of the differences between the two, complete with a quiz to check your new knowledge.

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Just like all plants and animals, you go through different stages in life too! Help your child to see how he will change and grow throughout his life.

Children hone their observation skills by matching the tracks to their corresponding water animal in this worksheet.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.