This science fair project idea determines if family members can recognize one another using only the sense of smell.

The Galileo inclined plane physics experiment was one of the first ways scientists calculated acceleration due to gravity. Do it yourself in this project!

In this science fair experiment, kids will use the acid test to discover how to tell one mineral from another.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

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

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

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.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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.

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

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

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.

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.

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!

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.

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.

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.

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!

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.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

This science fair project idea investigates how images are influenced by changes in light.

This experiment investigates if small changes in your diet can alter your basal body temperature.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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