It is your son’s big science fair project coming up, the one he has been looking forward to all year long, and he doesn’t know what to do for his project. You suggest a few ideas but all seem boring to him and overdone. He’s already seen the one with the erupting volcano with molten lava and volcanic ash, the ones that test different scents of animals, and the one that tests people’s vision power. He doesn’t want to repeat a project that is has already been done. So, you both come up with an idea together. You decide to take old car parts and auto parts lying around the Read the rest of this entry »