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

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

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

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

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

Do you know what can be found in the desert? Teach your child to read and spell a few new vocabulary words with this desert 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.

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

There are many different types of animal homes. Use this word search to help teach kids about a few of them!

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.

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

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

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.

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.

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

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

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

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

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

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

Animal flashcards are a wonderful way to help young kids build basic skills in word recognition and early-science basics.

Help your preschooler sharpen their knowledge about plants with this colorful worksheet. They'll use the word bank to name the basic parts of a plant.

Who feels at home scaling a nice, big tree? This word search is a fun way for your little one to familiarize themselves with different tree-climbing animals.

Learn all about the basic parts of a plant with a fun word scramble! Your child will un-scramble the letters to name different parts of a pretty plant.

Learn to read a standard thermometer in both Fahrenheit and Celsius in this informative second- and third-grade worksheet! 

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Is air a natural resource? You bet! Air as a resource carries oxygen, which we need. Read and write about ways air quality can be affected.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Strengthen your understanding of forces with this kindergarten worksheet!

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.