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!

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.

Learn all about how to convert centimeters to inches in this practice worksheet.

Children are introduced to the concept of the speed of light in this illustrated worksheet.

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

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.

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

After he fills in the blanks, your student can hold on to this worksheet on hydrogen for reference when preparing for tests and quizzes on physical science.

In this worksheet, kids learn about basic physics concepts like mass, momentum, and velocity by applying them to a popular winter sport: slalom skiing!

Describe how things feel when you touch them and push on them!

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

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

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

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

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

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

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

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

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.

Test your knowledge of the periodic table of the elements with this quiz page!

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

For each item on this first grade science worksheet, kids match a piece of clothing with the thermometer showing a temperature for wearing the item of clothing.