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

Track down the missing matter in this fifth-grade science worksheet!

Let your curious kid learn a little bit about how fireworks work in this summer science sheet.

Guess how much strength is needed to pull an object in this physical science worksheet!

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

How many machines can you find around the house? You may find them where you least expect it!

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

Rainbows look like swipes of brightly colored paint hanging in the sky. Have you ever wondered how they got there?

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

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

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.

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

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Strengthen your understanding of forces with this kindergarten worksheet!

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Why do some objects make loud sounds when dropped, while others make quiet sounds?

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

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.

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 a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Teach your child how we measure temperature with these printable thermometers!

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

Learn all about how to convert kilograms to pounds in this weight conversion worksheet.

Learn how energy changes forms with this fourth- and fifth-grade physical science worksheet!

Learn all about the science of the movies and the basic concepts behind how they work.

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

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

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

Add some punch to your own doodles with a quick lesson about how to draw light and shadows.

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