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.

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.

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!

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.

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.

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

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

Through a simple matching activity, kids learn how their actions can have a direct effect on the environment.

Have any good ideas for recreational resources? The term "recreational resources" has to do with the activities we do for enjoyment and the places that we go.

This worksheet featuring food and natural resources touches on the subject of food chains.

Sandy the bee is going to a party tonight. Encourage your 2nd grader to help him get there on time by drawing hands on the clock for him.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

Stretch your backbones and learn about the creatures that have a spine and those you don't!

Encourage your child to take a nature walk, using the prompts on this worksheet to write and draw their observations of plants, animals, sounds, and more.

Help your 2nd grader crack the code using triple digit addition and subtraction to find out what parts of camels can be used to make some tasty dishes.

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

This mix-and-match lists examples of natural resources. Kids can connect the natural resource with the resulting product.

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

Get outside and take a stroll! This leaf guide will give your little one a great learning experience the next time you're out at the park.

What is a car made of? This worksheet asks you and your child to think about parts of a vehicle and where each listed resource was used.

Searching for a worksheet that will give your kid help with his science skills? This printable will challenge his knowledge of the metric system.