The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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 determines if the size of the parachute will change the rate at which an object falls.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This science fair project examines discover whether different formations of deodorant works better for certain skin types.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

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

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

The objective of this science project is to determine the length of time for different seeds to germinate.

This science fair project demonstrates the "power of conformity".

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project examines the different composition of fungi and plants.