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

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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

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

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.

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!

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

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

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

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

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

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

After your child fills in this review sheet on chemical and physical properties, it's a good idea to hold onto it for future test review!

Is your fourth grader learning about electricity? This worksheet is all about circuits, tests her skills and reinforces the concept of how a circuit works!

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

Brush up on some physics vocabulary with this energy word search!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Play a fun game that combines the periodic table with a classic concentration game.

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

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

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

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

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

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

Children put their science vocabulary to the test with this engaging crossword puzzle!