Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Teach your child how to respect the ecosystem with a science worksheet that doubles as a coloring page. Can they identify the sources of pollution in the scene?

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.

Splish, splash! It's a warm spring day, but a rain shower is on the way! Kids completing this preschool science worksheet circle clothes for spring weather.

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.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

Children get a mini lesson in writing and the weather with this coloring worksheet.

Ancient mariners mistook the manatee for a mermaid! Your young biologist won't make the same mistake after learning about the manatee with this worksheet.

Did you know that insects like dragonflies have life cycles that are very similar to our own? Help your little scientist get to know the circle of life.

These pictures have a lot to say! The animals in this worksheet don't talkÃbut they can tell you a lot about what they're like by the way they look.

What is wind energy? Teach your students how we can use the wind to create electricity!

The animal names on this third grade science and spelling worksheet are all mixed up! Kids unscramble reptile and bird names to complete the worksheet.

Understand nature's visual cues for the shifting of the seasons with this tree seasons match-up activity!

This worksheet combines the five senses with the fun and interesting topic of weather predictions!

Tree climbers and tree huggers alike, learn the basics of reading tree rings to find out about the life of a tree.

Just like all plants and animals, you go through different stages in life too! Help your child to see how he will change and grow throughout his life.

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

Blast off into space with a fun planet printable. This one features Jupiter, the largest planet in our solar system.

Ready to meet some new tiny friends? Teach your kindergartener the names of eight insects with these fun and colorful flashcards.

Brrr, it's cold outside! In this worksheet, kids practice reading thermometers to figure out what the temperature is.

Looking for a way to teach your kids all about the planets? This worksheet is the way to go. It features Venus, the second planet from the sun.

Here's a great worksheet for teaching your kids all about the planet Mercury. Did you know that it's the smallest planet in our solar system?

Discover the inner workings of basic earth science in this worksheet on temperature.

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

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

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

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

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

Did you know that trees have more parts than just the trunk, branches and leaves? Take a look on the inside of a tree with this fill-in-the-blank diagram!

This tree anatomy worksheet will give your little naturalist a better understanding of the parts that make up a tree.