Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Mix a little art into your science with this reading-slash-drawing sheet on hills and valleys.

Milky Way: candy bar or galaxy of 100 to 400 billion stars?

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

Learn the difference between behavioral and physical adaptations with this cut-and-paste worksheet for second and third graders!

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

Learn some new words and facts about precious minerals with this word-scramble and matching worksheet.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Too familiar with flies and mosquitoes? Learn about their insect order Diptera as your child colors this bug-lover's fun page.

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.

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.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

Here's a creature that can be a heard a mile away: a thick-billed parrot. Learn more about these birds that are the only parrots native to the USA.

This worksheet features a scientific explanation and awesome photos of solar eclipses, which are extremely rare scientific phenomena.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

Children get to know a few geology terms in this landform word search puzzle.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

Ready for liftoff? Take to the starry skies with this worksheet that explores the three basic types of galaxies.

Crossword puzzles are a great way to make life science learning fun. This one's all about natural selection, and it's sure to give your child a fun challenge.

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!

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.

In this worksheet, children will learn about the intricate "waggle dance" honeybees use to communicate to each other.

What happens to water as it travels through mushy, smushy wetlands and swamps? Find out all about the water cycle and fill in scientific terms in the swamp.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

What is a plateau? What's the difference between a butte and a mesa? Look at these three land forms and learn to tell them apart with this worksheet.

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.

Learn a bit about the Brazilian rainbow boa with this cool science worksheet.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?