Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this project students experiment with making music using only glasses of water.

Find out whether matte or shiny nail polish lasts longer.

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

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

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.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

This science fair project idea examines which type of insulation holds in the most heat.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea determines the most effective method of preserving food.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Find out which kind of bubble wrap fares best when put in impact.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.