Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

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.

Practice geology vocabulary with this challenging crossword puzzle.

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

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

Can your little geologist identify the three main types of rock? Test his earth science savvy with a matching activity.

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

Learn all about hurricanes in this earth science Q&A.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Children will plan our their STEM design, reflect on the process of building their creation, and brainstorm ways they could make their design even better.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

A fill-in-the-blank exercise on tornadoes, made for fifth grade science students.

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

The brain is the most important organ in the human body. Get a basic grasp on the parts and functions of the brain with this anatomy info sheet.

Outer space enthusiasts, here is the perfect project for you! Make a solar system mobile with this 8-part printable.

All living things go through cycles. Learn about the life cycle of an amphibian with this diagram of the life of a frog!

Studying human anatomy? Here is a great sheet that shows a diagram of all the muscle system. Your child will learn the scientific terms of the major muscles.

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

There are a lot of structures that make up a new plant, called a seedling. Your child will learn what they're called with this life science word search.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

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!

Ever wonder how the human body functions? Enjoy this great info sheet all about the human heart, one of our most important organs.

Where to flower babies come from? Use this word search to learn about the different pollinators in our environment, and how they help spread plant seeds.

For all you mad scientists, here is a helpful lab safety 101! You'll get to read a few basic rules, and then complete a word search.

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