Our silkworm facts help your little one understand more about these special invertebrates. He'll read about their life stages and answer some questions.

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

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

Did you know some baby birds take 10 days to hatch, and some can take 80 days! Learn all about these cute creatures and finish your lesson off with a fun maze.

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

How do these animals blend with their surroundings? Enjoy this match-up activity on animal camouflage for kids!

These math cards are printable quiz cards to challenge your first grader's overall knowledge.

Megalosaurus was a giant carnivore similar to Tyrannosaurus Rex. Learn about this classic dino with a dot to dot coloring page.

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

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a grasshopperâs life.

Does your child know his five senses? Give him an introduction to human anatomy with this sense of touch worksheet.

How do you think our universe will end? With this worksheet, explore some of the common theories, and then come up with some of your own!

Explore the different body coverings of animals with this fun coloring page.

Step up to the controls, Dr. Frankenstein -- the world is in need of a new creature!

Learn about the parasaurolophus, one of the most musically inclined dinosaurs with this dot-to-dot coloring page.

Can you tell which types of weathering caused each of these changes in the earth? This activity is a great way to review the 3 main types of weathering.

Learn about the California tiger salamander, which uses its toxic, bad smell as a defense.

Teach your child a basic concept of physical science with this worksheet all about buoyancy! He'll choose which items are buoyant and which are not.

This helpful worksheet lays out all the qualifications for planethood. A great way to start studying outer space science!

How do you make recycled paper? Learn all about the recycling paper process on this informative worksheet.

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

This word search introduces your child to important rocks and minerals vocabulary, as it strengthens his attention to detail.

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

This page is all about building your kid's natural resources vocabulary words, along with research skills.

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.

This spikey Stegosaurus looks fierce, but don't worry -- he's a vegetarian! Learn all about this massive dinosaur with a fun fact sheet.

This worksheet features Uranus facts. Did you know this planet is blue and spins on its side?

Children get to know a few geology terms in this landform word search puzzle.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!