Third grader today, astrophysicist tomorrow! Let your child research their planet of choice, and discover everything from the number of moons to temperature.

Our ecosystems need a protector; is your third grader up to the challenge? Identify harmful pollutants in a science worksheet that doubles as a coloring page.

Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Earth has many different land and water features—can you recognize them? Test your knowledge with this crossword puzzle for third and fourth graders!

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!

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?

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

Here are listed a handful of natural resources, for kids to classify as renewable resources and nonrenewable resources.

Learn about a few common insects and arachnids as you color them in!

In this science matching worksheet, children will test their solar system know-how by matching each celestial body to the correct fact.

Become a disaster detective in this fun science worksheet!

Discover the animals and plants of the past in this fossil-focused worksheet!

Get to know each of the Seven Summits, then organize their heights into a graph.

What is the Earth made of? Find out everything that goes on just below the surface in this science reading worksheet.

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

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

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

Life on Earth is vast and varied, from high in the sky to the bottom of the sea. Learn more about what lives on Earth with this reading and quiz worksheet.

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

With this diagram, kids can find out more about oil, one of our most widely-used natural resources, and learn a little more about where it comes from.

Learn the science of volcanic eruption with this cutaway diagram

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Where is the Earth in space? Check out this worksheet that describes where weÃand some of our neighborsÃare in our galaxy.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.