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

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Learn all about rollie pollies, a small but unique creature that always fascinates little kids. There's even a bit of rollie pollie match to boot.

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

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.

These printable Valentine's Day cards are perfect for a kid who's in love with animals and science!

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Did you know that before they were zodiac signs, characters like Taurus the bull were all constellations!

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.

Scorpio, the scorpion, is one of the zodiac signs but you can also find him up in the stars at night!

If you were born in August or September, you may be familiar with Virgo, the zodiac sign. But did you know this character was originally a constellation?

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

Dive into a coral reef habitat with this second- and third-grade worksheet!

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

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.