Find out whether a longer airplane will fly farther or a wider paper airplane.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

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!

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

Create uphill flow of water by using a siphon. Create vacuum by suctioning one end of tube, and submerge it under water. Watch the direction the water travels.

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea explores the fastest average speed a human can talk.

Explore whether pianists have the tendency to type faster than non-pianists.

Do heavier objects fall faster than lighter ones? Students learn the answer by watching the effect gravity in a vacuum has on a coin and a feather.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Learn whether writing things down really makes things easier to remember.

This science fair project idea examines whether people can decode scrambled messages.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.