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

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

Here's an introduction to different types of rocks.

Practice geology vocabulary with this challenging crossword puzzle.

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.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Dive into the deep, vast world of ocean science with this introductory sheet on the world's different oceans.

Invite your child to dream big and design their very own planet. Encourage both creativity and scientific speculation with this fun worksheet.

Space enthusiasts will love learning about Freedom 7, the first manned American space mission.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Learn the science of volcanic eruption with this cutaway diagram

Do you know how clouds form? Get the basic idea of how moisture in the air can become a cloud.

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

This worksheet features Mercury, the smallest planet in our Solar System, and also the planet that's closest to the Sun.

Here's a beautiful science page to help your child learn the different types of clouds.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Learn more about the imposing tsunami with this worksheet about the science of tsunamis.

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

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

A coloring sheet of a Mars rover searching for life on other planets.

Learn more about the swirling, whirling science behind tornadoes with this wild worksheet.

If your student is stuck on Celsius, hand him this multiplication and division practice sheet.

Almost nothing in this universe can travel faster than light! Have some fun exploring the speed of light with this space science worksheet.

Get to know your Jurassic from your Cretaceous in this handy geologic time periods chart.

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.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

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.

Dig in to the layers of the earth with this science coloring page!

Ever wonder what the earth is made of? Help your little scientist to examine the different types of soil particles with this worksheet.

Kids will learn about fossils in this worksheet. Help your child learn about the scientific method by getting him to examine a fossilized dinosaur skeleton.