Looking for a fourth grade worksheet to help your kid with astronomy? This printable will help him learn the relative sizes of planets.

Looking for a worksheet to challenge your little life scientist's knowledge? This printable is all about matching plants with their trees!

Take a quick lesson in the otters that inhabit Yellowstone National Park and take an even quicker quiz.

Color in Arizona's state bird, the Cactus Wren, the largest wren in North America.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Searching for a worksheet to help your fourth grader with science? This printable will help him practice astronomy vocabulary.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Got a gardening guru on your hands? Give them a fun challenge with this fill-in-the-blanks quiz about the parts of a seed!

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

Read the definitions given for soil, sand and dirt then write down where each element can be found below the pictures.

Teach your child about prehistoric marine species with this trilobite coloring page!

Get into the habit of recycling food waste and other household materials by making your own compost pile!

Find out more about what REALLY dwells in swamp ecosystems with this worksheet all about swamps.

Learn a little about our planet with an Earth coloring sheet and find out more about our travels in to space by aswering the question at the bottom of the page!

Many animals live in the woods, but some can live in the city right alongside people! Which of these animals are urban animals?

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

What has two legs and carries its baby in a pouch? Fill in this crossword puzzle and learn some fun facts about two-legged creatures!

For your budding environmentalist, here is an information sheet on a well-known endangered species, the Komodo dragon!

This cute printout keeps learning fun for your child as he thinks about his senses and checks off which ones he'd use to interact with each object pictured.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

Teach your child about a new bird, the Magpie, with a fun coloring sheet. She'll read a few fun facts about this species as she colors.

Animal lovers, here is a fun page all about the falcon! Your child will read a few fun facts about this bird, and complete a word scramble.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

Explore the science of the sun with this make-your-own sundial activity! Just do a little bit of cutting and coloring, and let the sun do the rest of the work.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a flyâs life.

What is the purpose of a narwhal tusk? Explore some interesting new findings about the narwhal, also known as the unicorn whale.

Where is the liver located? Using the diagram as a reference, kids cut out the different parts of the liver from this worksheet and piece them together.

This Earth Day quiz family and friends with this true or false questionnaire. It's all in good, informative, fun!

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.