Learn more about molecules and how they comprise the air all around us in this intro-to-earth-science worksheet.

Challenge your child with a basic life science question, and she'll circle the objects that she thinks helps flowers grow.

Use clues to fill in the boxes in this crossword puzzle, and learn more about freshwater fish along the way.

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

The Mockingbird is Tennesse's state bird: it can mimic the sounds of other birds, and even the sounds of insects.

The Mockingbird is Texas' state bird: it can mimic the sounds of other birds, and even the sounds of insects.

The Mockingbird is Mississippi's state bird: it can mimic the sounds of other birds, and even the sounds of insects.

What are the different types of animal body coverings? Help kids sort and categorize these animals based on their body coverings.

Learn about these resourceful creatures of the Australian outback and give their unique look some color.

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Australian birds feature some unique, striking groupings of bright color, and the sulphur-crested cockatoo may put them all to shame.

If you're fascinated by bugs, check out this coloring page featuring the insect order Odonata, which consists of damselfies and dragonflies.

Whoa, this spider is quite the spinster! He is actually one of many brand new species discovered between 2009 and 2011.

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

Predict the weather with this fun-filled forecasting worksheet! Your child will review basic weather terms and practice her observation skills.

The Arkansas state bird is the mockingbird. Learn about the mockingbird and its habits in this Arkansas state bird coloring page.

Children familiarize themselves with the tracks of a duck, bobcat, coyote, deer, raccoon, and black bear in this life sciences worksheet.

Identify the appearance of the moon during its three main phases which include the New Moon, Quarter Moon, and Full Moon.

Children work on pattern-spotting and observation skills as they determine which of these six type of creatures is a bird.

How did salt ever get into the ocean? Find out how, and then try conducting your own salt water experiment.

Find a definition of what "natural resources" are, and complete the natural resources word search. It's a good vocabulary warm-up!

Learn how sand dunes form, and a little bit about desert formations like yardangs as well, in this science summary sheet.

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

Can you figure out how the Triceratops got his name? Study this Triceratops fact sheet and see if you can guess.

Get to know the fearsome Ankylosaurus with this cool printable that doubles as a dot to dot activity and coloring page.

Go green and grow your own vegetable garden! With this helpful cheat sheet, you can learn a bit about planting radish.

Did you know plants make their own food? Discover how with this fill-in-the-blank worksheet for third and fourth graders!

Have some fishy fun by learning both the common and scientific names of different fish! Add color to the underwater scene.

Challenge your child' memory skills with this colorful worksheet. This fun printable will help with memorization skills and spatial awareness.

All animal houses are different, depending on each animal's needs and abilities. Can your little scientist draw the homes for these animals?