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.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Let your little weather observer discover the four seasons! She'll match up each season with its proper picture to show her knowledge of how weather changes.

This is one angry looking constellation! Meet Taurus, one of the twelve constellations of the zodiac.

Help your child improve his handwriting skills with this printable worksheet, which is all about the four seasons.

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

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

If you like scorpions, you may be a Scorpio! Scorpio, Latin for scorpion, is one of the twelve constellations of the zodiac.

All the animals in this word search share one characteristic: none of them have bones! Can your child find the boneless critters hidden in the puzzle?

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

Does your learner ever wonder what makes the Earth dark at night and bright during the day?

Don't let your kid bark up the wrong tree! Engage him in a word search filled with tree terms, boosting his attention to detail and problem solving skills.

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids find grassland animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

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.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

Brush up on some physics vocabulary with this energy word search!

This word search is all about owls! Your child will learn a few different species of owl as he looks for them in the word search.

What's the weather like today? Here's a word search perfect for any budding meteorologist.

What a wonderful world word search! See if you can find all 10 of the Earth-related terms in the word search.

Help your child learn weather words with this climate-themed word search.

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

Learn about the texture and hardness of different objects in this second-grade worksheet!

Is a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Invite spellers on an inter-stellar adventure with this fun word scramble puzzle.

Explore the applications of electrical energy with this helpful second-grade worksheet!

Budding paleontologists will refer to a word bank to identify 10 dinosaur-related vocabulary words in this playful word search puzzle.

The Earth is very much alive, even its rocks shift and change. Practice geology vocabulary with this challenging word search.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!