This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea examines which type of insulation holds in the most heat.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Determine how we can separate the components of a solution

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This project examines which style of central-air system filter traps the most particles from the air.

Compare the ignition rates of various types of flame-retardant materials.

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

Determine which video game elevates the heart rate best and burns the most calories.

In this science fair project, young children notice and track changes in trees throughout the year.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.

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 fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!