Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Find out whether pacing in long-distance running actually acquires for drastic changes in finishing times versus running super-fast at the start.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this project students determine which instruments composers use to create birdsongs and birdcalls in classical music.

What if the shape of the Earth weren't spherical? How does its shape affect our gravity, climate, and tides? Model these questions in this cool project!

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

This science fair project investigates why the number of visible stars changes from place to place.

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.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Determine the effect of homework on academic performance. Collect grade info at the end of a semester, determine correlation between grades, amount of homework

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this science fair project idea, kids make water dance on the surface of a hot pan with the Leidenfrost Effect.