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.

In which habitat could you find an arctic fox, a polar bear, and a snowy owl? Have your kid find tundra animals with this word search worksheet.

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

Find out the the cool science behind ice cubes with this fun worksheet.

Help your child get to know the most elementary of the elements with this handy worksheet on silver.

Are you aware of how many endangered species there are in the world? Use this trivia sheet to test your knowledge of some beautiful but endangered animals.

This fun worksheet is jam-packed with fun facts, a word search and trivia questions, all about the baboon!

Quite possibly the most famous constellation, the Big Dipper is a small part of Ursa Major, the big bear constellation.

Did you know that a "kite" is actually a type of bird? Learn about this species of kite with a fun info sheet, including a dot to dot puzzle!

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

How many machines can you find around the house? You may find them where you least expect it!

Learn the basics of human anatomy with this info sheet all about the bladder. Your child will learn the different parts of the bladder

Who is this Frankenstein guy anyway? He's not the monster -- he's the guy who invented him.

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

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

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!

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

This coloring page doubles as an info sheet, all about the burrowing owl! Your child will get to draw his own owl using the grid helper.

Animal lovers, get acquainted with a very unique species, the okapi! Read this info-sheet to learn about why this animal is endangered.

If your child is studying life science, introduce her to all the strange animal pairs that work together in the wild.

A fun challenge for kids, this Earth Day crossword puzzle is a great way to review facts about the Earth and get a reminder on how to live green.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

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.

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

Get the facts on the beautiful elk, an American treasure and a symbol of Yellowstone National Park.

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Learn all about rollie pollies, a small but unique creature that always fascinates little kids. There's even a bit of rollie pollie match to boot.

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

Looking for a worksheet to help your kid with their science vocabulary? This printable will help him with biology.

In this worksheet, children practice identifying animals of North America by their tracks.