How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

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

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

Learn about the plants and animals that make deciduous forests their home, then complete the crossword puzzle.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

This Awesome Anatomy coloring page shows how blood circulates through your body.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

How much do you know about our solar system's planets? Kids learn facts about Neptune in an out-of-this-world worksheet.

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

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.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Test your third grader's biology knowledge with this worksheet, which challenges him to separate invertebrates from animals with a backbone.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

Just like the rest of our body, our eyes are a complicated system! Learn about how the human eye works with this anatomy sheet.

Get to know your Jurassic from your Cretaceous in this handy geologic time periods chart.

Learn more about molecules and how they comprise the air all around us in this intro-to-earth-science worksheet.

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

Find out all about the different parts of the eyes and how they work together to make vision possible.

Did you know jaguars are great swimmers? Kids will learn all about rainforest animals with this fun activity page, including a word search and coloring!

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

Bird-watchers will love this worksheet, featuring just a sample of the many song birds flying around Yellowstone National Park.

How much does your child know about the structure of his stomach? Learn a bit about this important organ with an informative anatomy sheet!

If your child is starting to learn human biology, give him a great study sheet with this anatomy worksheet about the pancreas.

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

There are lots of stories around the world for the rabbit moon: a rabbit image seen in the shadows on the moon's face. Here's one for young moon-gazers!

Use this simple graphic organizer to map out a new word and explore it in depth.

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!

There's not much in the animal kingdom more interesting than tentacles with suckers! Learn about octopus anatomy with this worksheet.

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