Budding scientists can learn about an important physical science concept with this worksheet all about density!

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

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!

This science worksheet tells all about James Watt, the man that powered the Industrial Revolution.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

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

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

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.

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.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!

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

Learn about the similarities and differences between objects in this colorful science worksheet!

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

Learn about the texture and hardness of different objects in this second-grade worksheet!

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.

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

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

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!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

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.

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! 

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!