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.

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.

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

Budding inventors can get a fun review of the simple machines with this word search.

Here's a fun way for kids to review their knowledge of earth science terms. Challenge your child to give a definition of each word as he finds it.

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

This word search helps expand kids' animal vocabulary and introduces them to animals that live in shells, all while keeping them entertained.

If your child is fascinated by outer space, he'll love this solar system word search! While reviewing planet names, he'll ponder the mysteries of the universe.

This raptors word search is not about dinosaurs, it's about birds! "Raptor" means "bird of prey", and there is a huge list here for your child to find.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Count the number of sea creatures and make a bar graph with this shark worksheet. Make an underwater word ladder with your 2nd grader, too.

From the blue whale to the Tasmanian devil, our planet is full of fascinating animals. Find a few of the most interesting ones in this animal word search.

Practice classifying different animals in this engaging life science worksheet, created for second and third graders!

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

Describe how things feel when you touch them and push on them!

Challenge your science student to record a shadow over the course of a day and make the connection between shadows and the time of day.

In this introductory tree-diagramming worksheet, young naturalists will unscramble each label to reveal five parts of the tree.

Learn about the similarities and differences between objects in this colorful science worksheet!

Prepare for an exciting experiment with this cut-and-paste lab safety worksheet for first and second graders!

Use this fossils worksheet to help a child learn about life on earth. Your child will learn about evolution and extinction, and also form a hypothesis.

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

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

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

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

In this word scramble, children solve a riddle by identifying which things are made of plants and which are not.

In this worksheet, students will read two different passages about the platypus. Kids will compare and contrast the passages, and identify the main ideas.

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

In 2012, an 80 million-year-old dinosaur was discovered, and you can learn all about this 20-foot, 2-ton horned herbivore.