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.

Predict the weather with this fun-filled forecasting worksheet! Your child will review basic weather terms and practice her observation skills.

Ever lay on your back to look at the clouds? Now you'll know which types of cloud make up all those silly shapes you see with this diagram.

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.

Do you wish to boldly go where no astronaut has ever gone? Blast off with this coloring page that features four new planets for you and your crayons to explore.

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.

This thermometer worksheet gives your child practice reading and using a thermometer. Try this thermometer and temperature worksheet with your child.

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

Learn the science of volcanic eruption with this cutaway diagram

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?

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.

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

Find out what wind is all about in this intro to earth science worksheet.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

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.

This Earth maze features a cool globe design. Perfect as an Earth Day activity, our Earth maze gets your child to consider our home planet.