Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

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.

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

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

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.

There are many animals around the world whose lives or homes are threatened. Read about an endangered species from Africa with this info-sheet

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Do you know which animal has two humps? Your child will use clues to determine what animal name fits in the crossword puzzle with this worksheet.

Do you know why Mars is called the Red Planet? Find out that and more on this planet printable.

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.

Learn more about the skin (and the science behind pimples -- ew!) in this printable life science diagram.

This earth sciences worksheet offers a simple and informative overview to a fascinating geological phenomenon.

Practice geology vocabulary with this challenging crossword puzzle.

Share a star-gazing session with your little astronomer! This constellation chart is full of fun stories about the different groups of stars.

This worksheet teaches your child about physical properties of water, specific heat, kinetic energy and more.

Take a peek inside the human eye with this eye-catching worksheet! See a simple eye diagram and learn vocabulary words that will help your kid understand sight.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Get your students’ fingers flying across this paper keyboard as they apply their knowledge of typing with correct finger placement.

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

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

Introduce students to the second step of the engineering design process with this helpful template!