Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Kids only get a blue tongue from eating blue candy, and luckily it only lasts a short while. These Australian lizards have blue tongues, no candy needed.

These printable blue ribbons are just the thing when you want to reward a job well done.

There aren't many blue animals out there, but here's one that will be fun to color: the blue dart frog. Its bright color warns predators that it is poisonous.

Blue whale facts include that calves weigh up to three tons at birth and adults can be as heavy as 200 tons. Get other cool blue whale facts on this worksheet.

This blissful blue whale offers a fun and educational coloring activity for your first grader.

It's a bird, it's a plane, it's... whatever your child wants it be! Your 1st grade artist decides what's in the sky in this "Finish the Drawing" worksheet.

Say hello to Charlie the Australian blue heeler! This adorable girl is one of 20 winners from our Color Your Mutt contest.

Can your child guess which mystery state he's coloring? This page features Montana, also known as the Big Sky Country State.

Innovators and inventors come in all sizes and ages! In this worksheet, your child will be guided to reflect on the goals they have achieved and would still like to attain, keeping in mind that the sky is the limit!

Use skip counting to reveal a clue that will help you finish the nursery rhyme "Little Boy Blue."

Use this glossary with the EL Support Lesson: Answering "Why" Questions.

This blue whale coloring page will appeal to any child who loves the ocean! Make sure you have plenty of crayons ready to color to the largest type of whale.

Practicing using complementary colors, like orange and blue, is a great way for your child to understand what it takes to create a truly dynamic composition!

Help your child learn sight words with this first grade reading worksheet. Your child will color the words that rhyme with blue to reveal the hidden picture.

Use these vocabulary cards with the EL Support Lesson Plan: Answering "Why" Questions.

Without rain, we wouldn't have any puddles to splash and stomp in. Does your third grader know why and how rain falls from the clouds?

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

This coloring page will introduce your child to a master artist. Check out a famous work of art, "Blue and Green Music", by feminist painter Georgia O'Keeffe.

Hiccups interrupt us when we're talking and sometimes even get in the way of eating! Find out why we hiccup and discover some unusual ways to get rid of them.

Help reunite Paul Bunyan and the blue ox, Babe, by drawing a line that connects the two of them. Then color it in when you're finished.

When we get embarrassed or anxious, and all of a sudden our cheeks get red! Why does our body do this? Find out what scientists think blushing is all about.

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

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

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

Finish the illustration on this worksheet to reveal why the boy is happy. Help your child build creative and critical thinking skills with this worksheet.

Your first grader will soar high above the skies as he completes addition problems with sums of 9 or less in this math worksheet.

Use this glossary with the EL Support Lesson Plan: Who, Where, What, When, Why, and How Questions.

Aspiring astronomers, here is a wonderful introduction to the constellations! Your child can learn about Aries the ram with this worksheet.