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.

Children get to know a few geology terms in this landform word search puzzle.

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

Learn the ins and outs of one of the body's most important organs: the heart!

In this physical science worksheet, students will review how to calculate velocity given time and distance and then apply this process to several diverse word problems.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

Play a fun game that combines the periodic table with a classic concentration game.

Students learn all about fossil fuels with this research-based environmental science worksheet!

Can middle-grade chemists recover the missing information about these elements from the periodic table?

Get to know your genes with Steve the savvy scientist! Genes help determine everything from your hair color to your height.

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

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

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

Explore how waves interact with materials in this engaging physical science worksheet for middle grades!

Kids need lots of things to grow up healthy and strong, and plants do, too! Can your child think of things a plant needs to grow?

In this engaging chemistry worksheet for middle grades, students learn about how concrete is made and how it is used in our society.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Take a plunge under the surface of the earth! With this worksheet as your guide, you may explore the geological processes of our planet.

Looking for a fourth grade worksheet to help your kid with science? This printable will test his knowledge of the water cycle.

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

Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Studying the human body? Get to know your body inside and out with this muscle diagram.

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.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Cranium, noodle, melon, noggin...the human skull has been called a lot of things over the years. Here are the proper names for each part.

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

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!

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!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.