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!

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.

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.

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.

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

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.

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.

Use these vocabulary cards with the EL Support Lesson Plan: Who, Where, What, When, Why, and How Questions.

Help your child with his math skills with this printable worksheet, which will give him practice with simple subtraction.

Find out the the cool science behind ice cubes with this fun worksheet.

This social studies worksheet is a great way to encourage the next generation to understand the value and impact of voting while helping learners practice reading comprehension strategies.

Find out how scientists explain our yawns and use the graph to keep track of your family's yawns for a whole day!

Dreams can be delightful or downright terrifying. Discover the science behind dreams and try to figure out what your dreams say about you.

Are cats trying to talk to us when they purr? Discover the meaning behind the purr in this worksheet that explores the three main types of cat purrs.

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

Discover how myths explain the origins of the world with this fifth- and sixth-grade reading comprehension worksheet!

Learn about the foundational process of American democracy in this essential worksheet!

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

These celestial words are all missing their first letter! Kids completing this kindergarten reading worksheet write the correct letter to complete each word.

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.

Kids practice two-digit subtraction on this colorful sky-themed 2nd grade math worksheet.

Sort out your vehicles with this transportation review. Which of these vehicles can fly in the sky?

Come explore the ocean blue as you dive into this aquatic nonfiction passage!

Soar above the clouds and practice adding and subtracting within 10 with this fun fluency worksheet!