Human Lie Detector
When mom asks if you brushed your teeth, do you always tell the truth? How about when your teacher asks why you didn't finish your homework? Did your dog eat it? If you’ve ever not told the truth before, you told a lie!
Now don’t be ashamed: everyone has lied at least once. But did you ever wonder if people can tell when you lie? If they could, that would be embarrassing. Let’s find out if there is a way to tell a truth from a lie.
Warning is hereby given that not all Project Ideas are appropriate for all individuals or in all circumstances. Implementation of any Science Project Idea should be undertaken only in appropriate settings and with appropriate parental or other supervision. Reading and following the safety precautions of all materials used in a project is the sole responsibility of each individual. For further information, consult your state's handbook of Science Safety.