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 are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Think about the adaptive utility of an important aspect of our physiology.

Examine the influence of the phase of the moon on moisture capillarity in garden soil. Measure and record the depth at which water is first detected.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

Explore the concept of receptive fields and why different parts of our body have different levels of sensitivity.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.