Coyotes' famous howl gave them the nickname "song dogs." This is just one of several coyote facts your child can learn from this worksheet.

With two simple yet fun experiments, this worksheet covers the interesting topic of cohesion and adhesion of water.

Get a light lesson in the darkest of creatures, the raven.

Learn about the badgers that live in Yellowstone National Park.

Learn about bison, some of biggest creatures in Yellowstone National Park, or anywhere else for that matter.

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

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

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

Which animals can live happily alongside humans? With this word search, match up game, fun facts, your child will learn more about urban animal habitats.

Are you afraid of spiders? Don't scream, this fun worksheet is jam-packed with interesting facts and activities, all about black widow spiders!

Pigs, cows, and ducks, oh my! The clues in this animal crossword puzzle worksheet will help you remember what animals there are on a farm.

Ecosystems are an important part of fourth grade science. This fun printable will help your child with her knowledge of plants and animals.

Meet Michael Faraday, the inventor of the first electric motor. Without Faraday, who knows if we would even have working cars, airplanes or even clocks!

Use this cool 2-page worksheet to make your own big dipper clock!

Learn about the "dwarf planet" in our solar neighborhood. There are more Pluto facts to learn, if you figure out the answer to the question on the page.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

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

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

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.

Launch into learning with this worksheet on Gemini 4, one of the original missions in the early days of the U.S.'s space program.

Calling all mad scientists... Electrify your enthusiasm for science! This awesome worksheet will show you step-by-step how to make an electromagnet.

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

Use the clues in this crossword puzzle to fill in the blanks with different types of snake names. Learn interesting facts about snakes as you go!

Help your child understand why it's so important to take care of the environment with this info-sheet about an endangered species: the spectacled bear.

Find out everything you need to know about lightning rods! These metal poles have quite a special relationship with lightning.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Did you know opossums are marsupials, which means they have a pouch! This fun worksheet is jam-packed with fun facts about the opossum!

Constellations are groups of stars that form a picture, usually with a story behind it. But many constellations are also zodiac signs, like Libra, the scales.

Read about the mule deer, the most abundant deer in Yellowstone National Park.

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