Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

Discover the science behind an ages-old 4th of July tradition with this firework diagram.

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

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

Grab your trusty flashlight and get ready for a scientific treasure hunt!

Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

Light can do amazing things, but nothing else brings out its crazy capabilities like the prism. Learn about the dazzling prism and make one of your own.

Need a colorful way to impress your friends and family? This worksheet has got you covered!

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.

Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Explore everyday forces with this first- and second-grade science worksheet!

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

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!

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

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

Explore magnetism with this colorful science worksheet for third and fourth graders!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

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

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! 

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Practice describing, or classifying, different items by their properties in this inviting worksheet!