In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Discover whether a metal will expand under hot water.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Do different types of oil mix or stack? Find out in this science fair project idea!

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

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

This science fair project idea investigates whether plants can survive being frozen.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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

This project investigates the affect of storage temperature on microwave popcorn.

This science fair project idea investigates how the shape of an object affects drag.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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

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.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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