Showing Results for how when

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!

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!

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

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.

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.

Discover how plants survive in the desert with this third-grade habitat worksheet!

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.

This computer-free activity teaches how to type ending punctuation marks using correct finger placement.

What is wind energy? Teach your students how we can use the wind to create electricity!

How much do you know about our home planet? Boost your Earth knowledge with this science printable.

How far away is the Red Planet from the sun? Find out with this great Solar System printable.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!