In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This science fair project idea focuses on two classes of sugars monosaccharides (fructose) and disaccharides (sucrose or table sugar).

In this science fair project, we will test how different kinds and shades of hair respond to bleach.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

Determine how wind speed affects the stability of a kite and the ease of getting it into the air.

This science fair project idea will be examining oxidation and acid rain

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

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

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

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Check out this fun science fair project idea to explore the process of diffusion in a cell and learn the difference between osmosis and diffusion.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea raises awareness of a real ecological issue.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

Many substances are compounds of different elements. This experiment combines iodine and zinc to make zinc iodide.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

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

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

This project is about after-images and what possibly affects them.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.