This angelic constellation is Virgo, one of the twelve special symbols of the zodiac.

Find out everything you need to know about lightning rods! These metal poles have quite a special relationship with lightning.

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.

Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

Celebrate dolphins, one of the most intelligent animals in the world, with a fun dot to dot coloring page.

Connect the dots from 1 to 30 to reveal Styracosaurus's mighty horns.

Dive into this astrological dot-to-dot worksheet with Pisces, one of the twelve constellations of the zodiac.

Does your birthday fall between September 23 and October 22? If it does, then you're a Libra!

Do you know how tornadoes form?This science worksheet diagrams what is known about what causes tornadoes to form.

These two children sure look alike -- maybe because they're twins!

Suit up, future astronauts! Discover the many, many layers necessary for launching into space with this astronaut paper doll.

Share a star-gazing session with your little astronomer! This constellation chart is full of fun stories about the different groups of stars.

Do you know what the Aquarius constellation looks like in the night sky? Complete this dot-to-dot worksheet to find out!

Sagittarius clearly isn't your average archer -- for one, he's half a man and half a horse!

Learn more about what lives--and what thrives--in marshes with this fill-in-the-blank worksheet on marsh ecosystems.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Did you know there is a tortoise who is over 100 years old? Learn some interesting animal facts with this cut and paste matching activity!

Match up baby animals with their mommies and daddies! This memory game challenges kids to pair up babies with their grown-ups from a set of upside-down cards.