Kids learn important plant and animal cell vocabulary as they plug the words into their correct spots and complete the puzzle.

Learn about a famous woman of science, Rosalind Franklin, and how she contributed to the discovery of DNA's double-helix structure.

Learn all about the different jellyfish and then test your knowledge with the questions at the bottom of the page.

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

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

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

Cells are the building blocks of all living things! Help your little scientist learn the basics of a cell with this fun activity.

Flex your mind muscles with a body science worksheet! Your child will learn the fundamentals of what makes up our muscles.

Learn all about the ooey-gooey areas of land called wetlands that provide a home for certain kinds of plants and animals.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

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

Learn more about the bones in your body and just how important they are with this reading sheet and diagram, all in one.

How much do you know about the U.S. national bird? Learn all about the bald eagle with this fun, informative worksheet!

Did you know that there are forests in the temperate ocean ecosystem? Learn all about the temperate ocean with this fun ecosystems sheet!

Learn the names of major joints in the human body, the points at which bones intersect to make your arms and legs bend.

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

This printable features the planet closest to the sun. Learn Mercury facts and further your knowledge of outer space by discovering new things.

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

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

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

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

Roses are red, violets are blue, I know the parts of a flower, how about you? Learn about flower anatomy with this worksheet.

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Learn all about the liver with this anatomy sheet. Our liver is one of many organs in the digestive system expelling waste from the body.

Learn about the animal kingdom with this centipede anatomy worksheet. Fun fact: Centipedes have either 15 or 17 pairs of legs, but never 16!

Learn about the farthest planet in our solar system, Neptune. Facts include interesting bits about the vast winds that keep its surface moving!

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.

Did you know chameleons can sleep upside-down? Learn more about chameleons with this fun worksheet, jam-packed with fun facts and activities!

Almost half of all known fish species call ponds, lakes, rivers, and other freshwater habitats home. Learn about freshwater fish in this worksheet.

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!