Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea experiments with spinning color wheels and optical illusions.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.