Tucked away in a high school chemistry classroom in Northern Indiana are pressure gauges intended to teach a fundamental principle of chemistry known as Boyle’s Law.
In their place, Hobart High School chemistry teacher Melissa Higgason is using a variety of seemingly random items – including mini marshmallows, plastic water bottles, balloons and eyedroppers – to inspire her students to design their experiments and see what happens to gas under different conditions read more..