Coffee Blues
Would you like to slurp up some science? Below are some hands-on experiments you can do with supplies you may find lying around the house.
The Modulated Coil Experiment – Demonstration of sound being transmitted through electromagnetic fields, similar to how the guitar pickup functions
No Instrument Required
Rigor level is: 
Cup Speaker – This beverage is sure to spark your tastebuds for discovery. In this activity you can build a speaker using a few items you just might have sitting around your house.
No Instrument Required
Rigor level is: