Here's an introduction to different types of rocks.

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

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

The Earth is very much alive, even its rocks shift and change. Practice geology vocabulary with this challenging word search.

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

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

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

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

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

Did you know that ocean water is salty, but river water is not? Find out how fresh and salt water mix together in this water cycle worksheet.

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?

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

From glaciers to mountains to wetlands, our planet has lots of different landforms. Help your child learn all about them with this fun earth science crossword.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Learn Saturn facts with this science printable, like that it is one of the large gas planets in our solar system!

Let your child explore the vocabulary associated with Earth's landforms with this colorful 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.

Have you ever wondered what keeps the moon in orbit? Newton's first law gets a quick introduction, too, in this worksheet for kids. Check it out!

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!