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.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This science fair project idea compares biodiversity between drops of water.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

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

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Research currently available fuel sources, and fuel manufacturing and processing techniques. Propose an alternative fuel source.

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.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.