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The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

Young physicists learn about apparent weightlessnessâthat weird sensation you sometimes feel in elevators, turbulent airplanes, and roller coasters.

Discover whether a metal will expand under hot water.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

The purpose of this science fair project is to learn which substance best preserves apples. Learn about enzyme interactions in fruit and scientific processes.

The purpose of this science project is to determine whether the amount of air in a soccer ball affects how far it goes when kicked.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

This science fair project idea compares whether ionic dryers leave hair in better condition than non-ionic dryers.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Check out this cool middle school science fair project idea to find the difference between organically grown and commercial brands of foods.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?