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

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?

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

Discover Earth’s different spheres with this fourth- and fifth-grade earth science activity!

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

This page is all about building your kid's natural resources vocabulary words, along with research skills.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

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

Here's a great way to teach your kids more about our solar system. This worksheet focuses on the dwarf planet, Pluto.

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

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

This worksheet will quiz your child on the different fields of study in science. What's the difference between a zoologist and a geologist? Find out here!

Did you know the surface of the Earth is always changing? Learn about the events that change Earth's surface with this crossword puzzle for second and third graders!

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!

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

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.

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

Searching for a worksheet to help your fourth grader with science? This printable will help him with geology.

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

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

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.