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

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

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

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

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

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.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

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

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

Is your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

Hypothesis, observation, data...with so many terms, learning the scientific method can be tricky. Learn the steps by helping Dr. McSquare sort out his reports.

Dr. McSquare is here to help kids learn the scientific method. His reports are all in disarray--can your child sort label each part with the correct step?

Create the most effective solar cooker in this engaging energy-focused 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!

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

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

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

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

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