Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Splish, splash! It's a warm spring day, but a rain shower is on the way! Kids completing this preschool science worksheet circle clothes for spring weather.

Turn a patchy day into a fun science adventure with this cloud gazing worksheet! Draw the clouds you spot, and then identify which type they are.

Let's talk about trees! Help your child use Earth Day as an excuse to praise the woody perennials that hardly ever get the recognition they deserve.

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

This weather chart for kids allows your child to keep track of and graph the weather each day. Use this weather chart with your blossoming meteorologist.

Searching for a worksheet that will help your child practice their reading skills? This printable uses life science as a background to help young readers.

Coloring sheets are great for exposing your child to new animals. Meet the bilby, a sneaky-looking creature that sleeps during the day and feeds at night.

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

It's a sunny day out! What is the best outfit to wear? Help your child learn about the seasons as they select some summer clothing for this paper doll.

Did you know an elephant can eat 300 pounds of food in one day? This fun worksheet is jam-packed with fun facts, a word search and trivia, all about elephants!

In this recycle worksheet, kids color the different recyclable objects, then match them up with their corresponding bin. Try our recycle worksheet on Earth Day.

Need to know all about the lungs? Study up with this comprehensive lung anatomy worksheet.

This word search helps expand kids' animal vocabulary and introduces them to animals that live in shells, all while keeping them entertained.

All kids love animals, but how much does your child know about them? Kids will get to learn some animal vocabulary with this wild crossword puzzle.

This research, drawing, and writing worksheet is a fun introduction to informational and science writing.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Learn more about two kinds of aquatic biomesÃfreshwater and saltwater biomesÃand how you can tell them apart.

Your child will write about his or her favorite animal. Kids will research their favorite animals online or at the library, then write down three facts.

Your future oceanographer will enjoy coloring in the multi-eyed octopus in this coloring page in addition to adding color to the cute angel fish beside him!

Both of these animals have big ears! Your child will look at the pictures of unusual animals in this worksheet and try to learn some new things about them.

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.

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

Learn about the animal practice of hibernation in this quick science worksheet.

This Awesome Anatomy coloring page shows how blood circulates through your body.

Use your knowledge of the animal kingdom to help these baby animals find their way home!

Check out this Awesome Anatomy page about your voice.

Build nature vocabulary with this habitat-matching worksheet!

This Awesome Anatomy sheet focuses on the brain, often considered the most vital of vital organs.

Learn all about your sense of smell with this diagram and coloring page.