This science fair project idea investigates the difference in reaction times between boys and girls.

Determine which metal has the highest rate of conductivity.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

People have favorite flavors, but what about ants? Which ant food is the most popular?

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

Here's a science activity to help your child investigate how seeds are designed to travel.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Polymers remove oil from contaminated waters. The purpose of this science project is to test the effectiveness of a polymer in cleaning up an oil spill.

This science fair project idea determines which flower lasts the longest.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

In this science project idea learn about working of different types of smoke detectors and find out which one is the most effective for you.

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

Explore the neural and mental mechanisms at play in mental imagery.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

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

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

This science fair project idea explores how far the average human can see.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

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.

This science fair project idea explores whether talking to a plant will help it grow.