Your young cosmonaut will work on reading comprehension, story sequencing, and creative writing while he's diving into the far reaches of our universe.

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

Review the rock cycle with this second-, third-, and fourth-grade crossword puzzle!

For kids learning geography or earth science, this is the perfect review sheet for drilling students on common geography terms and phrases.

Worm your way through this soil maze, which doubles as a fun way to review the names of the different soil layers.

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

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

These two children sure look alike -- maybe because they're twins!

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

Use this cool 2-page worksheet to make your own big dipper clock!

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

Print out a set of weather-themed postcards to give your child practice identifying seasons. These weather postcards also allow kids to practice writing skills.

This water cycle worksheet is great for 5th grade scientists. Try this water cycle worksheet with your child as a review for test preparation.

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

Did you know snowflakes are so unique, there are no two alike? Teach your child about how snow forms with this worksheet.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences worksheet.

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.

Uncover secrets of the past with this third-grade worksheet about fossils!

Let your kid's knowledge of leaf vocabulary climb as high as a tall, tall tree with this fun word search.

Quiz your little scientist on his knowledge of the soil layers! He'll be reviewing some important earth science concepts and key terms.

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

Mini meteorologists will love predicting the weather with this worksheet! Build logic and a sense of chronology by drawing pictures of the forecast.

Discover the difference between comets and asteroids in this stellar earth and space science worksheet!

Explore how Earth’s surface can change in this investigative second-grade worksheet!

Teach your child about plants with this worksheet, which helps your child practice botanical vocabulary.

The infamous Halley's Comet only comes around once every 75 years or so! Read some interesting info on the world's most famous comet.