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.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

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!

Which comes first, genus or phylum? To complete this life science crossword, kids need to put the 9 levels of biological classification in the correct order.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

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.

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

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

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.

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

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

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?

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Learn about the many different biomes the Earth is home to in this life science worksheet, which holds the answers to some simple life science questions.

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!

Break down a word to create new ones with this fun worksheet for second through fifth graders!

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!

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!