Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Determine if âdouble dippingâ chips really spreads more germs than dipping only once per chip.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Science fair project that examines the effects of soap on the surface tension of water. How does soap affect the surface tension of water?

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Which type of sunglass lenses gives you the best protection from the sun's harmful UV rays? Find out in this cool science project!

This experiment determines the distribution of darts around a bulls eye to simulate the probability of an electron's location in its own cloud of electrons.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this science fair project, young children notice and track changes in trees throughout the year.

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.