4B40.40 Good Absorbers & Good Emitters

Demonstrate that good absorbers are good emitters. Put hot water in a silver can and a black can. Record temperature. Keep checking and recording temperature. The black can should cool faster.

 

Picture: Not Yet Available

 

Setup Requirements: Minimal. Fill cans in Demo Room.You will need time to heat up water and take measurements. Suggest doing something else while letting water cool.

 

Equations: None

 

Safety Issues: red hot hotplate, hot water