These Valentine's Day cards will be the oddest and most unique cards your sweetie ever got!

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Discover the many different kinds of conifer and deciduous trees as you complete this word search!

The Australian outback is full of unusual and odd-looking animals. Check out the echidna, a spiny creature with no teeth and a long, sticky tongue.

Ever wonder why zebras have so many stripes? Find out with this fun worksheet all about the zebra!

Learn about Ichthyosaurus, a reptile that lived in the ocean, with this cool dinosaur dot to dot activity.

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

Here is a fun way to learn about a species of bird: the barn owl! Your child will get to complete a crossword puzzle based on fun facts he's read.

Give your child a great coloring page full of fun flower facts! This one is about the iris flower and the butterfly.

Tortoises lived in prehistoric times, and they looked pretty much the same then as they do today. Get to know this long-living reptile with a fun dot to dot.

Test your child's science savvy with this worksheet, which asks your child to identify what items are made from plants.

Which of these animals do not belong? Explore the plants and animals of the rainforest, and choose which ones are in their right habitat.

For dinosaur lovers, this dot to dot featuring armor-plated Hylaeosaurus is sure to please.

Get your young one excited about natural sciences by discussing how living things need oxygen, food, and water to grow and reproduce. Then have fun drawing!

Brighten your dino lover's day with this fun fact dot to dot all about Struthiomimus, the "ostrich mimic".

What is a weathervane? Find out the basics of this helpful weather prediction tool using this coloring page!

Can you help Cornelius create a crazy compost concoction? Help your child review his knowledge of compost and recycling with this fun worksheet.

Can't go to the zoo? We bring the zoo to you! Check out the fulvous whistling duck, a bird with social skills and the willingness to share each other's nests.

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

Did you know new species of animals are discovered every year? Color in this little cricket, the only one of his kind who can pollinate plants!

Looking for quiz questions to test your first grader's general knowledge? This printable will challenge your kid's overall knowledge.

In this coloring page, you will learn the scientific names of the hermit crab and sea crab and will be able to see the differences in how each one looks.

Did you know peas are actually a fruit? Color in this pea plant and teach your little gardener more about where her food comes from!

This large, flightless bird is both shy and aggressive toward humans, which has made it tough for scientists to study.

Learn the orca whale's scientific name and add color to this fun ocean coloring page!

This coloring page features a puffed up, spiky blowfish.

Do you know what's the largest parrot in Africa? It's the African grey parrot! Learn about this blabbering bird and give the image some color.

Children learn to identify the tracks of a pine marten, chipmunk, mountain lion, mountain goat, and grizzly bear in this matching worksheet.

Get into the habit of recycling food waste and other household materials by making your own compost pile!