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.

Explore grasslands and their fauna in this thought-provoking worksheet!

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

Deserts might seem inhospitable to life, but there are actually plenty of animals that can live there!

Explore a tropical rainforest habitat and its inhabitants with this engaging worksheet for third graders!

Have fun learning about food chains in this charming science worksheet!

Explore a wetland habitat with this engaging short-answer worksheet for second and third graders!

Dive into a coral reef ecosystem with this life science worksheet!

Stroll through the flora of a temperate deciduous forest in this third-grade worksheet!

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Color in this Awesome Anatomy page on the respiratory system and learn about how we breathe!

Who knew coloring could be so educational? Learn the formal names of a spider and calla lily with this coloring page.

Sit down for a fun science lesson with Steve the savvy scientist as he teaches you all about dominant and recessive genes!

Soon-to-be scientists, here's a great coloring page featuring flowers and insects! Learn the scientific names of a ladybug and a daffodil.

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

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

Learn the scientific names of this popular flower and its partner, the grasshopper, with this fun coloring sheet!

Budding botanists can master the different parts of a seed with this helpful diagram!

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Has your child learned about the life cycle of a frog in school? Test his understanding with this cute cut and paste worksheet.

This bright and colorful worksheet helps your child bring the technical terms of the bones in his legs down to size.

Teach your fifth grader about this important bony structure with a fill-in-the-blank skull diagram.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Dive into a coral reef habitat with this second- and third-grade worksheet!

This worksheet gives your fifth grader some skeleton know-how, as she fills in the diagram with the bones from the wrist to the fingertips.

Explore humans’ inherited traits with this fun science worksheet!

Observe the life cycle of an oriole with this second- and third-grade worksheet!