Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

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?

Discover the impact of water on Earth’s landscape with this fourth-grade erosion worksheet!

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Find out all about the different parts of the eyes and how they work together to make vision possible.

Learn about how the Earth was formed in this science worksheet that covers the early years of the Earth.

Mmmm honey is delicious, but do you know how it's made? Take a dip into some sweet knowledge and find out the buzzy secrets behind honey.

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

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

What does the Earth look like? Find out all about the nooks and crannies that cover the planet with this landforms worksheet.

How much does your child know about the animal kingdom? Help her discover interesting facts with this animal crossword.

How well does your child know the layout of our Solar System? This worksheet focuses on the biggest planet, Jupiter.

Learners will discover a simple overview of the human muscle system in this introductory worksheet.

How many teeth does an alligator have? Find out with this fun worksheet, dedicated to teaching you and your child all about alligators!

Nature is all around us! But how much does your child know about our natural world? Test her knowledge with some nature fun-facts trivia.

Learn about pearls, which seem like normal jewelry from a factory but are actually made from the mucus of mollusks!

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.

Help kids understand the size and scope of billions of years with this helpful reference worksheet.

Did you know that one of the main ingredients of a perfect pearl is dust? Learn all about the bizarre process behind every pearl with this science worksheet.

Have you ever looked into the night sky and wondered where all those millions and million of stars come from? Find out here with a mini astronomy lesson!

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Learn the ins and outs of one of the body's most important organs: the heart!

Introduce your budding scientist to chemical reactions with this simple and fun science experiment!

Find out everything you need to know about lightning rods! These metal poles have quite a special relationship with lightning.

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

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.

Have you ever wondered why giraffes have long necks or why lions have sharp teeth? Find the answers in this third- and fourth-grade worksheet about adaptations!

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.

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

Does your learner ever wonder what makes the Earth dark at night and bright during the day?