Showing Results for how when

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!

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

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

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

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!

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!

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

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

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

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!

These clever birds harden and disguise themselves as tree branches when threatened. Learn more and do some coloring with this worksheet.

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.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

It's pretty rare when a planet comes between Earth and the sun, but it happened on June 5, 2012. Learn about this mind-boggling event with this cool worksheet!

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

These are the largest tortoises in the world, yet they are only two inches long when they hatch! That's one of the facts you can learn from this worksheet.

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

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.

How do the Sun and the Moon interact with the Earth, and how do all three depend on one another? Find out in this science worksheet.

It's easy being green when you have our Earth Day game for a guide. Just print out this Earth Day game and get ready to score one for the planet.

Young botanists test their plant know-how with this quiz.

Discover how water flows in this informative environmental science worksheet!