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.

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.

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

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.

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.

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.

What makes a reptile different from an amphibian?  Learn all about animal classifications in this worksheet for second and third graders!

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

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

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

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

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

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

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

Gear up to go into the science lab with the help of this activity!

Walter's Duiker is a new species of duiker, a kind of antelope, and one of many new species discovered between 2009 and 2011.

Learn about Red River Hogs in this series of animals facts sheets and coloring pages in one.

These "Dig It!" worksheets not only teach about life on earth, they teach the scientific method as well.

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

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

The narwhal is one unusual animal! Your child will learn about this horned sea creature through text and pictures.

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!