Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Discover which battery composition (type) lasts the longest.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Choose a timeline to live without technology. Keep a journal of all the issues encountered. What are the benefits and cons of modern technology?

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.