You are down to the wire with your kid's science fair project — It needs to get done and it needs to get done quick. That's we've provided a few great science experiments you can do at home ...

and exciting science fair projects from years past. These are 16 of the most impressive teenager-led science projects we could find. And they all began with a simple question and a love of science.

A do-it-yourself Galilean telescope makes an excellent and inexpensive starter telescope — or science fair project ... (10), Jimmy (8), and Candy (6) — for this project.