This science fair project idea investigates whether body language and heart rate can decipher who's lying and who's not.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

What is the Doppler Effect, or the Doppler Shift? The purpose of this science fair project is to determine how distance impacts the Doppler Effect.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Spider cupcakes are creepy-crawly treats that are perfect for Halloween. These spider cupcakes make for a great Halloween party treat.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.