Help your child get to know an elementary element with this worksheet about iron.

Help your child learn about one of the most elementary elements, gold.

Too familiar with flies and mosquitoes? Learn about their insect order Diptera as your child colors this bug-lover's fun page.

Help your child get to know his elementary elements with this handy worksheet on copper.

Butterflies and moths may have very different colors, but they are from the same insect order! Learn about lepidoptera with a fun coloring page.

Help your child understand pollination with this informative worksheet, complete with a diagram.

Sting your little insect enthusiast with some knowledge about the insect order Hymenoptera. He'll learn a fun fact as he colors this yellowjacket.

Learn all about rivers--how they were formed, what they're made of, and what they do for us and the planet--in this reading and science worksheet.

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

Dive deep into your body's circulatory system with this worksheet on blood and what it's made of.

The silverback gorilla is a special animal. This magnificent male is part of an endangered species. Complete this sheet to learn all about this gentle giant.

Test your little nature-lover's knowledge about our feathery friends. Can she figure out which bird fits each description?

Help your child get to know the most elementary of the elements with these handy worksheets.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Ever lay on your back to watch the clouds? With this cloud chart you and your little scientist can identify the different types of cloud formations.

If your kid loves the ocean, he may enjoy learning tons of trivia about our fishy friends in the sea. Brush up on your fish facts with this fun page!

What's your favorite animal? Kids love answering that question, and with this animal research graphic organizer, they can write all about it.

The horned lizard has a scary exterior but a gentle personality. Your little student can learn about this North American lizard with this worksheet.

The grizzly bear once roamed across most of North America; now its habitat has shrunk to the northwest. Discover more about the grizzly with this worksheet.

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.

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.

Whether you say buffalo or bison, it is still the largest land mammal in North America. Discover a bit more about this majestic animal.

Young astronomers unscramble words to reveal the heavens in this fun space science worksheet.

Kids find desert animals in this science word search. Animal habitat worksheets help students learn about life forms in different environments.

Kids find forest animals in this third grade science word search. Animal habitat worksheets help students learn about life forms in different environments.

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.