The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

This experiment examines if space objects become round after reaching a certain mass.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

This experiment will explore if and where fractals can be found in the natural world.

This science project allows students to study the psychology of happiness.

Check out this cool science fair project idea to learn why it is important for kids to eat healthy foods like fresh fruits and vegetables.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This project explores differences in people's reactions to images in color and images in black and white.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

Evaluate if people are more influenced by video or audio advertising.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

This project determines what category of person is most likely to be ticklish.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

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

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

In this science fair project, students will learn how to calculate the formula for the thermal decomposition of potassium chlorate.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Explore the effect of wind speed on the burning rate of a candle.

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.