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

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Fibonacci sequences have been observed throughout nature, like in leaves and flowers. In this project, students find examples of the Fibonacci sequence.

Science fair project that illustrates the properties of black holes in space.

Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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

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

This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

This project will explore whether music influences physical endurance.

This science fair project idea determines which method of hand cleansing is the most effective.

Science fair project that determines the effect of concentrated mental effort on physical performance levels.

Make a backbone model to explore human anatomy and life science.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

Examine whether males or females are more likely to have a higher center of gravity.

Discover whether eating certain foods will make you smell (not only bad breath) but through skin cells.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Learn whether dark green and leafy veggies tend to have a higher Vitamin C content than lighter green varieties.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Evaluate gender differences in processing visual information.