Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Rain or shine, get ready for some weather watching! Record data to observe the weather patterns over the course of a week.

In this puzzle, children will trace the names of the seasons, then cut them out and paste them below the correct picture.

This set of weather-themed postcards shows your child how to dress seasonally. These postcards help your child identify seasons and improve writing skills.

Teach your kindergartener a few words that go with different smells to help him expand his vocabulary and continue learning about the five senses.

This cute worksheet asks your first grader to write down each part of the human body--encouraging research on life science and boosting his spelling ability!

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

Build a food chain with this hands-on worksheet for kindergarteners and first graders!

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

Fact: This worksheet is about unusual animals from all over the world. Opinion: This is the best fact and opinion worksheet ever!

Get to know the basic parts of a plant with this first- and second-grade life science worksheet!

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

Construct your own map with this hands-on science worksheet for second graders!

Become a genetic detective with this inquisitive life-science worksheet!

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

Get to know each of the Seven Summits, then organize their heights into a graph.

Is your child crazy about snakes? Introduce him to the rosy boa with this fun and informative quiz.

Introduce the basic concepts of sinking and floating with this fun worksheet. Your budding scientist will decide if these objects sink or float!

This worksheet asks your kindergartener to circle all the articles of clothing that are best for warm weather.

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

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

Check out these printable weather postcards, which feature iconic images of each season. Print out these weather postcards for your kindergartener.

Can you name the different parts of a tree? This scrambled words worksheet is a great way to get your child thinking about life sciences and nature.

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

Here are four examples of mineral resources for kids to think about, plus a short explanation of what a mineral resource is.

This printable will help your child with their observation skills by challenging them to count the tree rings to determine their ages.

Pick up some peafowl facts on this worksheet with vibrant illustrations. Little ones will read about different types of peafowl and answer some questions.