The objective of this sociologically-inclined experiment is to evaluate whether kids' toy preferences are hardwired or develop as they grow.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

This project will examine the relationship between materials and air resistance.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair project idea compares biodiversity between drops of water.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.

This science fair project idea investigates if fats add to the flavor of food.

Take a dive into the candy jar with this yummy science experiment.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

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

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Discover whether ants are more attracted to natural cane sugar or artificial sweeteners.

Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science project investigates the influence of different genres of movies on appetite.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This project will explore whether music influences physical endurance.

This project examines whether more expensive golf balls translate into better results on the golf course.