Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Science fair project that uses distillation to convert salt water into fresh water.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

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.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

This basketball project explores the best way to make the perfect shot every time.

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

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

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.

In this science fair project, students will use four different household objects to see which ones form the most or best crystals.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This project explores whether music affects the growth and health of plants.