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

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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.

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

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

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

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

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

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

Experiment with renewable energy from the comfort of home by creating a pizza box solar oven!

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

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

Use your detective skills to predict the motion of a seesaw in this third-grade worksheet!

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Learn about some of the most common forms of energy with this helpful one-pager for third graders!

Children hone their powers of observation using this worksheet template.

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

Warm up your scientific thinking with this colorful worksheet!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

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

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Learn about the similarities and differences between objects in this colorful science worksheet!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

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

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!