Where do flower babies come from? Find the answers in this word search about plant reproduction!

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

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.

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.

Can you and your child come up with a few ways to conserve water in your home? This printable starts you off with five ways to conserve water.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

This page presents the altocumulus cloud, the kind of cloud that often comes before a thunderstorm.

Find out all about snow in this worksheet -- what it is, where it comes from and what it looks like.

Meet the stratus cloud, a low-hanging kind of cloud that usually comes out when it rains, in this earth science worksheet.

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

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.

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.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of plants.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

Learn all about precipitation and the role it plays on the planet in this weather science worksheet.

Let your child explore the vocabulary associated with Earth's landforms with this colorful word search.

All of these products are made from plants, or they can be! Practice using a Venn diagram, researching and classifying items with your kids.

Does your child have a knack for astronomy? Teach him about the constellations with this great worksheet.

Did you know fish could fly? Pisces, which is also a zodiac sign, is a constellation, named many years ago.

For all you aspiring astronauts, here is a worksheet for learning the constellations! Learn all about the constellation Gemini with this sheet.

Discover some fun facts about the sun — and bring it to life with color — with this astronomy worksheet!

Learn a bit about meteors, asteroids and comets as they travel across the night sky. Can your child round out the page by adding color to these orbiting rocks?

Do you ever see shapes in the stars at night? In ancient times, people named these shapes, and now we know them today as constellations!

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

Natural resources are crucial for sustaining life on the planet. Encourage your child to get to thinking about plants, one of Earth's natural resources.

Search for natural resources at the beach in this engaging worksheet for second and third graders!

Search for natural resources with this fun worksheet for second and third graders!

Discover how water flows in this informative environmental science worksheet!