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

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

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

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

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

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

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

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

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

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

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

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.

Test your knowledge of electrical energy with this third- and fourth-grade worksheet!

Warm up your scientific thinking with this colorful worksheet!

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

Discover different types of energy with this third- and fourth-grade science worksheet!

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Read about Alexander Graham Bell, the man who made it possible for us to stay connected all day long, in this biography that comes with a science experiment.

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

Dive into the electrifying concept of electrical energy in this colorful worksheet!

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

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

Explore the applications of electrical energy with this helpful second-grade worksheet!

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

Who will win the marble race in this two-page physical science worksheet?

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!

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

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

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

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.