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

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

Get familiar with this food chain pyramid, from carnivores and herbivores to producers and decomposers; each group has a role.

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

Learners will get to know the bald eagle, the national bird of the United States and an inhabitant of Yellowstone National Park.

What is the Earth? Here is a reading passage and a word search to help your kid get acquainted with Earth science.

Get to know some of the friendly, furry, feathery river wildlife that live near American rivers, then match each one to its home.

Get to know the residents of the reef with this coral reef-themed crossword, perfect for expanding life science knowledge and working on vocabulary, too!

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Cave formations come in all kinds of shapes and sizes; get the scoop on common cave formations with this two page printout with a maze and vocabulary.

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.

Get to know one of the most unique and colorful monkeys, the red-shanked douc langur. Read about why they are an endangered species with this info-sheet.

On this worksheet, kids learn all about the look and location of Uranus, and they get to cut out a picture to use in their own Solar System diagram.

Get in tune with nature, and read a bit about an endangered species of animal, the Black-footed Ferret. Your child can color an illustration as he reads.

Lots of people like turtles, but how much do you really know about them? Get to know one of many types of turtles with this informational worksheet.

As your child completes this science worksheet on the life cycle of a peanut, he'll get the chance to practice his sequencing, labeling, and drawing skills.

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.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

Learn a new species of bird with a fun info sheet! Your child will get to read some fun facts about the Sharp Shinned Hawk, and complete a crossword.

Did you know that Uranus can get as cold as -144° Fahrenheit? Learn more about the third largest planet in our solar system on this planet printable.

With this fun sheet, your child will get to learn a few fun facts about the raven, and then complete a crossword based on what she's just learned.

Grandma and grandpa didn't always have gray hair. Find out about what gives our hair color and what makes our hair lose that color as we get older.