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.

Learn some basic chemistry with this worksheet about the universal solvent: water. Find out why water is called the universal solvent.

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.

Become an atomic detective and uncover the elements in this investigative worksheet!

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

Young scientists are the only hope for finding the missing information from these elements of the periodic table!

Boost your chemistry skills by filling in the missing information about the elements, using the included periodic table.

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.

Crunch the atomic numbers of different elements in this worksheet!

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?

Can middle-grade chemists recover the missing information about these elements from the periodic table?

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.

This painless--even fun!--worksheet gets middle-grade students practicing with the information in the periodic table of elements.

Some devious mice have stolen important information from the periodic table. Can middle-grade chemists put the elements back together again?

These elements are all out of sorts! Can you check out the periodic table to find the missing information from each element?

Important information has gone missing from the periodic table. Can you fix up these elements so that they read the right way?

Explore the strength (or magnitude) of magnetic forces with this two-page physics worksheet for middle grades!

Observe different forces at work with this kindergarten and first-grade worksheet!