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.

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

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

Get a brief history of the atom with this introductory page for young physicists!

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

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

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

Use this blank periodic table to work on your memorization of the table for your next quiz!

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

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.

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

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

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

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

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

Test your students' knowledge and memory of periodic table elements with this crossword puzzle.

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

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

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

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

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.

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.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

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.

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.