3rd and 4th Grade Physical Science Resources

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

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!

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

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

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.

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

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

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.

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

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

Looking for a quick reference about gravity and a definition for kids? This two page worksheet and activity has you covered!

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.

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Science can be a bit of a bore to some students, but with this quick worksheet on chemical and physical reactions, it can at least be a breeze.

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!

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